1640262400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 432

約数和(自身を含む): 5109672960

約数和(自身を除く): 3469410560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 41, 47, 50, 56, 64, 70, 76, 80, 82, 94, 95, 100, 112, 128, 133, 140, 152, 160, 164, 175, 188, 190, 200, 205, 224, 235, 256, 266, 280, 287, 304, 320, 328, 329, 350, 376, 380, 400, 410, 448, 470, 475, 532, 560, 574, 608, 640, 656, 658, 665, 700, 752, 760, 779, 800, 820, 893, 896, 940, 950, 1025, 1064, 1120, 1148, 1175, 1216, 1280, 1312, 1316, 1330, 1400, 1435, 1504, 1520, 1558, 1600, 1640, 1645, 1786, 1792, 1880, 1900, 1927, 2050, 2128, 2240, 2296, 2350, 2432, 2624, 2632, 2660, 2800, 2870, 3008, 3040, 3116, 3200, 3280, 3290, 3325, 3572, 3760, 3800, 3854, 3895, 4100, 4256, 4465, 4480, 4592, 4700, 4864, 5248, 5264, 5320, 5453, 5600, 5740, 6016, 6080, 6232, 6251, 6400, 6560, 6580, 6650, 7144, 7175, 7520, 7600, 7708, 7790, 8200, 8225, 8512, 8930, 8960, 9184, 9400, 9635, 10496, 10528, 10640, 10906, 11200, 11480, 12032, 12160, 12464, 12502, 13120, 13160, 13300, 13489, 14288, 14350, 15040, 15200, 15416, 15580, 16400, 16450, 17024, 17860, 18368, 18800, 19270, 19475, 21056, 21280, 21812, 22325, 22400, 22960, 24320, 24928, 25004, 26240, 26320, 26600, 26978, 27265, 28576, 28700, 30080, 30400, 30832, 31160, 31255, 32800, 32900, 34048, 35720, 36613, 36736, 37600, 38540, 38950, 42112, 42560, 43624, 44650, 44800, 45920, 48175, 49856, 50008, 52480, 52640, 53200, 53956, 54530, 57152, 57400, 60160, 60800, 61664, 62320, 62510, 65600, 65800, 67445, 71440, 73226, 73472, 75200, 77080, 77900, 84224, 85120, 87248, 89300, 91840, 96350, 99712, 100016, 105280, 106400, 107912, 109060, 114304, 114800, 121600, 123328, 124640, 125020, 131200, 131600, 134890, 136325, 142880, 146452, 150400, 154160, 155800, 156275, 170240, 174496, 178600, 183065, 183680, 192700, 199424, 200032, 210560, 212800, 215824, 218120, 228608, 229600, 246656, 249280, 250040, 256291, 262400, 263200, 269780, 272650, 285760, 292904, 300800, 308320, 311600, 312550, 337225, 348992, 357200, 366130, 367360, 385400, 400064, 421120, 425600, 431648, 436240, 459200, 493312, 498560, 500080, 512582, 526400, 539560, 545300, 571520, 585808, 616640, 623200, 625100, 674450, 697984, 714400, 732260, 770800, 800128, 851200, 863296, 872480, 915325, 918400, 997120, 1000160, 1025164, 1052800, 1079120, 1090600, 1143040, 1171616, 1233280, 1246400, 1250200, 1281455, 1348900, 1395968, 1428800, 1464520, 1541600, 1600256, 1726592, 1744960, 1830650, 1836800, 2000320, 2050328, 2105600, 2158240, 2181200, 2343232, 2466560, 2492800, 2500400, 2562910, 2697800, 2857600, 2929040, 3083200, 3453184, 3489920, 3661300, 4000640, 4100656, 4316480, 4362400, 4686464, 4985600, 5000800, 5125820, 5395600, 5715200, 5858080, 6166400, 6407275, 6979840, 7322600, 8001280, 8201312, 8632960, 8724800, 9372928, 10001600, 10251640, 10791200, 11716160, 12332800, 12814550, 14645200, 16402624, 17265920, 17449600, 20003200, 20503280, 21582400, 23432320, 25629100, 29290400, 32805248, 34899200, 40006400, 41006560, 43164800, 46864640, 51258200, 58580800, 65610496, 82013120, 86329600, 102516400, 117161600, 164026240, 205032800, 234323200, 328052480, 410065600, 820131200, 1640262400]

約数ペア:

[(1, 1640262400), (2, 820131200), (4, 410065600), (5, 328052480), (7, 234323200), (8, 205032800), (10, 164026240), (14, 117161600), (16, 102516400), (19, 86329600), (20, 82013120), (25, 65610496), (28, 58580800), (32, 51258200), (35, 46864640), (38, 43164800), (40, 41006560), (41, 40006400), (47, 34899200), (50, 32805248), (56, 29290400), (64, 25629100), (70, 23432320), (76, 21582400), (80, 20503280), (82, 20003200), (94, 17449600), (95, 17265920), (100, 16402624), (112, 14645200), (128, 12814550), (133, 12332800), (140, 11716160), (152, 10791200), (160, 10251640), (164, 10001600), (175, 9372928), (188, 8724800), (190, 8632960), (200, 8201312), (205, 8001280), (224, 7322600), (235, 6979840), (256, 6407275), (266, 6166400), (280, 5858080), (287, 5715200), (304, 5395600), (320, 5125820), (328, 5000800), (329, 4985600), (350, 4686464), (376, 4362400), (380, 4316480), (400, 4100656), (410, 4000640), (448, 3661300), (470, 3489920), (475, 3453184), (532, 3083200), (560, 2929040), (574, 2857600), (608, 2697800), (640, 2562910), (656, 2500400), (658, 2492800), (665, 2466560), (700, 2343232), (752, 2181200), (760, 2158240), (779, 2105600), (800, 2050328), (820, 2000320), (893, 1836800), (896, 1830650), (940, 1744960), (950, 1726592), (1025, 1600256), (1064, 1541600), (1120, 1464520), (1148, 1428800), (1175, 1395968), (1216, 1348900), (1280, 1281455), (1312, 1250200), (1316, 1246400), (1330, 1233280), (1400, 1171616), (1435, 1143040), (1504, 1090600), (1520, 1079120), (1558, 1052800), (1600, 1025164), (1640, 1000160), (1645, 997120), (1786, 918400), (1792, 915325), (1880, 872480), (1900, 863296), (1927, 851200), (2050, 800128), (2128, 770800), (2240, 732260), (2296, 714400), (2350, 697984), (2432, 674450), (2624, 625100), (2632, 623200), (2660, 616640), (2800, 585808), (2870, 571520), (3008, 545300), (3040, 539560), (3116, 526400), (3200, 512582), (3280, 500080), (3290, 498560), (3325, 493312), (3572, 459200), (3760, 436240), (3800, 431648), (3854, 425600), (3895, 421120), (4100, 400064), (4256, 385400), (4465, 367360), (4480, 366130), (4592, 357200), (4700, 348992), (4864, 337225), (5248, 312550), (5264, 311600), (5320, 308320), (5453, 300800), (5600, 292904), (5740, 285760), (6016, 272650), (6080, 269780), (6232, 263200), (6251, 262400), (6400, 256291), (6560, 250040), (6580, 249280), (6650, 246656), (7144, 229600), (7175, 228608), (7520, 218120), (7600, 215824), (7708, 212800), (7790, 210560), (8200, 200032), (8225, 199424), (8512, 192700), (8930, 183680), (8960, 183065), (9184, 178600), (9400, 174496), (9635, 170240), (10496, 156275), (10528, 155800), (10640, 154160), (10906, 150400), (11200, 146452), (11480, 142880), (12032, 136325), (12160, 134890), (12464, 131600), (12502, 131200), (13120, 125020), (13160, 124640), (13300, 123328), (13489, 121600), (14288, 114800), (14350, 114304), (15040, 109060), (15200, 107912), (15416, 106400), (15580, 105280), (16400, 100016), (16450, 99712), (17024, 96350), (17860, 91840), (18368, 89300), (18800, 87248), (19270, 85120), (19475, 84224), (21056, 77900), (21280, 77080), (21812, 75200), (22325, 73472), (22400, 73226), (22960, 71440), (24320, 67445), (24928, 65800), (25004, 65600), (26240, 62510), (26320, 62320), (26600, 61664), (26978, 60800), (27265, 60160), (28576, 57400), (28700, 57152), (30080, 54530), (30400, 53956), (30832, 53200), (31160, 52640), (31255, 52480), (32800, 50008), (32900, 49856), (34048, 48175), (35720, 45920), (36613, 44800), (36736, 44650), (37600, 43624), (38540, 42560), (38950, 42112)]