1949086720

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:513

約数の個数: 264

約数和(自身を含む): 5771410056

約数和(自身を除く): 3822323336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 128, 136, 140, 160, 170, 196, 224, 238, 245, 256, 272, 280, 320, 340, 392, 448, 457, 476, 490, 512, 544, 560, 595, 640, 680, 784, 833, 896, 914, 952, 980, 1024, 1088, 1120, 1190, 1280, 1360, 1568, 1666, 1792, 1828, 1904, 1960, 2176, 2240, 2285, 2380, 2560, 2720, 3136, 3199, 3332, 3584, 3656, 3808, 3920, 4165, 4352, 4480, 4570, 4760, 5120, 5440, 6272, 6398, 6664, 7168, 7312, 7616, 7769, 7840, 8330, 8704, 8960, 9140, 9520, 10880, 12544, 12796, 13328, 14624, 15232, 15538, 15680, 15995, 16660, 17408, 17920, 18280, 19040, 21760, 22393, 25088, 25592, 26656, 29248, 30464, 31076, 31360, 31990, 33320, 35840, 36560, 38080, 38845, 43520, 44786, 50176, 51184, 53312, 54383, 58496, 60928, 62152, 62720, 63980, 66640, 73120, 76160, 77690, 87040, 89572, 102368, 106624, 108766, 111965, 116992, 121856, 124304, 125440, 127960, 133280, 146240, 152320, 155380, 179144, 204736, 213248, 217532, 223930, 233984, 248608, 250880, 255920, 266560, 271915, 292480, 304640, 310760, 358288, 380681, 409472, 426496, 435064, 447860, 467968, 497216, 511840, 533120, 543830, 584960, 609280, 621520, 716576, 761362, 818944, 852992, 870128, 895720, 994432, 1023680, 1066240, 1087660, 1169920, 1243040, 1433152, 1522724, 1637888, 1740256, 1791440, 1903405, 1988864, 2047360, 2132480, 2175320, 2339840, 2486080, 2866304, 3045448, 3275776, 3480512, 3582880, 3806810, 3977728, 4094720, 4264960, 4350640, 4972160, 5732608, 6090896, 6961024, 7165760, 7613620, 7955456, 8189440, 8701280, 9944320, 11465216, 12181792, 13922048, 14331520, 15227240, 16378880, 17402560, 19888640, 22930432, 24363584, 27844096, 28663040, 30454480, 34805120, 39777280, 48727168, 55688192, 57326080, 60908960, 69610240, 97454336, 114652160, 121817920, 139220480, 194908672, 243635840, 278440960, 389817344, 487271680, 974543360, 1949086720]

約数ペア:

[(1, 1949086720), (2, 974543360), (4, 487271680), (5, 389817344), (7, 278440960), (8, 243635840), (10, 194908672), (14, 139220480), (16, 121817920), (17, 114652160), (20, 97454336), (28, 69610240), (32, 60908960), (34, 57326080), (35, 55688192), (40, 48727168), (49, 39777280), (56, 34805120), (64, 30454480), (68, 28663040), (70, 27844096), (80, 24363584), (85, 22930432), (98, 19888640), (112, 17402560), (119, 16378880), (128, 15227240), (136, 14331520), (140, 13922048), (160, 12181792), (170, 11465216), (196, 9944320), (224, 8701280), (238, 8189440), (245, 7955456), (256, 7613620), (272, 7165760), (280, 6961024), (320, 6090896), (340, 5732608), (392, 4972160), (448, 4350640), (457, 4264960), (476, 4094720), (490, 3977728), (512, 3806810), (544, 3582880), (560, 3480512), (595, 3275776), (640, 3045448), (680, 2866304), (784, 2486080), (833, 2339840), (896, 2175320), (914, 2132480), (952, 2047360), (980, 1988864), (1024, 1903405), (1088, 1791440), (1120, 1740256), (1190, 1637888), (1280, 1522724), (1360, 1433152), (1568, 1243040), (1666, 1169920), (1792, 1087660), (1828, 1066240), (1904, 1023680), (1960, 994432), (2176, 895720), (2240, 870128), (2285, 852992), (2380, 818944), (2560, 761362), (2720, 716576), (3136, 621520), (3199, 609280), (3332, 584960), (3584, 543830), (3656, 533120), (3808, 511840), (3920, 497216), (4165, 467968), (4352, 447860), (4480, 435064), (4570, 426496), (4760, 409472), (5120, 380681), (5440, 358288), (6272, 310760), (6398, 304640), (6664, 292480), (7168, 271915), (7312, 266560), (7616, 255920), (7769, 250880), (7840, 248608), (8330, 233984), (8704, 223930), (8960, 217532), (9140, 213248), (9520, 204736), (10880, 179144), (12544, 155380), (12796, 152320), (13328, 146240), (14624, 133280), (15232, 127960), (15538, 125440), (15680, 124304), (15995, 121856), (16660, 116992), (17408, 111965), (17920, 108766), (18280, 106624), (19040, 102368), (21760, 89572), (22393, 87040), (25088, 77690), (25592, 76160), (26656, 73120), (29248, 66640), (30464, 63980), (31076, 62720), (31360, 62152), (31990, 60928), (33320, 58496), (35840, 54383), (36560, 53312), (38080, 51184), (38845, 50176), (43520, 44786)]