1681554560

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:148

約数の個数: 288

約数和(自身を含む): 4952655900

約数和(自身を除く): 3271101340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 43, 49, 56, 58, 64, 70, 80, 86, 98, 112, 116, 128, 140, 145, 160, 172, 196, 203, 215, 224, 232, 245, 280, 290, 301, 320, 344, 392, 406, 430, 448, 464, 490, 560, 580, 602, 640, 688, 784, 812, 860, 896, 928, 980, 1015, 1120, 1160, 1204, 1247, 1376, 1421, 1505, 1568, 1624, 1720, 1849, 1856, 1960, 2030, 2107, 2240, 2320, 2408, 2494, 2752, 2842, 3010, 3136, 3248, 3440, 3698, 3712, 3920, 4060, 4214, 4480, 4640, 4816, 4988, 5504, 5684, 6020, 6235, 6272, 6496, 6880, 7105, 7396, 7840, 8120, 8428, 8729, 9245, 9280, 9632, 9976, 10535, 11368, 12040, 12470, 12943, 12992, 13760, 14210, 14792, 15680, 16240, 16856, 17458, 18490, 18560, 19264, 19952, 21070, 22736, 24080, 24940, 25886, 25984, 27520, 28420, 29584, 31360, 32480, 33712, 34916, 36980, 38528, 39904, 42140, 43645, 45472, 48160, 49880, 51772, 53621, 56840, 59168, 61103, 64715, 64960, 67424, 69832, 73960, 79808, 84280, 87290, 90601, 90944, 96320, 99760, 103544, 107242, 113680, 118336, 122206, 129430, 129920, 134848, 139664, 147920, 159616, 168560, 174580, 181202, 181888, 192640, 199520, 207088, 214484, 227360, 236672, 244412, 258860, 268105, 269696, 279328, 295840, 305515, 337120, 349160, 362404, 375347, 399040, 414176, 428968, 453005, 454720, 488824, 517720, 536210, 558656, 591680, 611030, 674240, 698320, 724808, 750694, 798080, 828352, 857936, 906010, 909440, 977648, 1035440, 1072420, 1117312, 1183360, 1222060, 1348480, 1396640, 1449616, 1501388, 1656704, 1715872, 1812020, 1876735, 1955296, 2070880, 2144840, 2444120, 2627429, 2793280, 2899232, 3002776, 3431744, 3624040, 3753470, 3910592, 4141760, 4289680, 4888240, 5254858, 5586560, 5798464, 6005552, 6863488, 7248080, 7506940, 7821184, 8283520, 8579360, 9776480, 10509716, 11596928, 12011104, 13137145, 14496160, 15013880, 17158720, 19552960, 21019432, 24022208, 26274290, 28992320, 30027760, 34317440, 39105920, 42038864, 48044416, 52548580, 57984640, 60055520, 84077728, 105097160, 120111040, 168155456, 210194320, 240222080, 336310912, 420388640, 840777280, 1681554560]

約数ペア:

[(1, 1681554560), (2, 840777280), (4, 420388640), (5, 336310912), (7, 240222080), (8, 210194320), (10, 168155456), (14, 120111040), (16, 105097160), (20, 84077728), (28, 60055520), (29, 57984640), (32, 52548580), (35, 48044416), (40, 42038864), (43, 39105920), (49, 34317440), (56, 30027760), (58, 28992320), (64, 26274290), (70, 24022208), (80, 21019432), (86, 19552960), (98, 17158720), (112, 15013880), (116, 14496160), (128, 13137145), (140, 12011104), (145, 11596928), (160, 10509716), (172, 9776480), (196, 8579360), (203, 8283520), (215, 7821184), (224, 7506940), (232, 7248080), (245, 6863488), (280, 6005552), (290, 5798464), (301, 5586560), (320, 5254858), (344, 4888240), (392, 4289680), (406, 4141760), (430, 3910592), (448, 3753470), (464, 3624040), (490, 3431744), (560, 3002776), (580, 2899232), (602, 2793280), (640, 2627429), (688, 2444120), (784, 2144840), (812, 2070880), (860, 1955296), (896, 1876735), (928, 1812020), (980, 1715872), (1015, 1656704), (1120, 1501388), (1160, 1449616), (1204, 1396640), (1247, 1348480), (1376, 1222060), (1421, 1183360), (1505, 1117312), (1568, 1072420), (1624, 1035440), (1720, 977648), (1849, 909440), (1856, 906010), (1960, 857936), (2030, 828352), (2107, 798080), (2240, 750694), (2320, 724808), (2408, 698320), (2494, 674240), (2752, 611030), (2842, 591680), (3010, 558656), (3136, 536210), (3248, 517720), (3440, 488824), (3698, 454720), (3712, 453005), (3920, 428968), (4060, 414176), (4214, 399040), (4480, 375347), (4640, 362404), (4816, 349160), (4988, 337120), (5504, 305515), (5684, 295840), (6020, 279328), (6235, 269696), (6272, 268105), (6496, 258860), (6880, 244412), (7105, 236672), (7396, 227360), (7840, 214484), (8120, 207088), (8428, 199520), (8729, 192640), (9245, 181888), (9280, 181202), (9632, 174580), (9976, 168560), (10535, 159616), (11368, 147920), (12040, 139664), (12470, 134848), (12943, 129920), (12992, 129430), (13760, 122206), (14210, 118336), (14792, 113680), (15680, 107242), (16240, 103544), (16856, 99760), (17458, 96320), (18490, 90944), (18560, 90601), (19264, 87290), (19952, 84280), (21070, 79808), (22736, 73960), (24080, 69832), (24940, 67424), (25886, 64960), (25984, 64715), (27520, 61103), (28420, 59168), (29584, 56840), (31360, 53621), (32480, 51772), (33712, 49880), (34916, 48160), (36980, 45472), (38528, 43645), (39904, 42140)]