1631330360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:853

約数の個数: 128

約数和(自身を含む): 4161024000

約数和(自身を除く): 2529693640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 199, 220, 248, 310, 341, 398, 440, 601, 620, 682, 796, 995, 1202, 1240, 1364, 1592, 1705, 1990, 2189, 2404, 2728, 3005, 3410, 3980, 4378, 4808, 6010, 6169, 6611, 6820, 7960, 8756, 10945, 12020, 12338, 13222, 13640, 17512, 18631, 21890, 24040, 24676, 26444, 30845, 33055, 37262, 43780, 49352, 52888, 61690, 66110, 67859, 74524, 87560, 93155, 119599, 123380, 132220, 135718, 149048, 186310, 204941, 239198, 246760, 264440, 271436, 339295, 372620, 409882, 478396, 542872, 597995, 678590, 745240, 819764, 956792, 1024705, 1195990, 1315589, 1357180, 1639528, 2049410, 2391980, 2631178, 2714360, 3707569, 4098820, 4783960, 5262356, 6577945, 7415138, 8197640, 10524712, 13155890, 14830276, 18537845, 26311780, 29660552, 37075690, 40783259, 52623560, 74151380, 81566518, 148302760, 163133036, 203916295, 326266072, 407832590, 815665180, 1631330360]

約数ペア:

[(1, 1631330360), (2, 815665180), (4, 407832590), (5, 326266072), (8, 203916295), (10, 163133036), (11, 148302760), (20, 81566518), (22, 74151380), (31, 52623560), (40, 40783259), (44, 37075690), (55, 29660552), (62, 26311780), (88, 18537845), (110, 14830276), (124, 13155890), (155, 10524712), (199, 8197640), (220, 7415138), (248, 6577945), (310, 5262356), (341, 4783960), (398, 4098820), (440, 3707569), (601, 2714360), (620, 2631178), (682, 2391980), (796, 2049410), (995, 1639528), (1202, 1357180), (1240, 1315589), (1364, 1195990), (1592, 1024705), (1705, 956792), (1990, 819764), (2189, 745240), (2404, 678590), (2728, 597995), (3005, 542872), (3410, 478396), (3980, 409882), (4378, 372620), (4808, 339295), (6010, 271436), (6169, 264440), (6611, 246760), (6820, 239198), (7960, 204941), (8756, 186310), (10945, 149048), (12020, 135718), (12338, 132220), (13222, 123380), (13640, 119599), (17512, 93155), (18631, 87560), (21890, 74524), (24040, 67859), (24676, 66110), (26444, 61690), (30845, 52888), (33055, 49352), (37262, 43780)]