29972425640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{5581}}^1$

素因数の和:5755

約数の個数: 128

約数和(自身を含む): 71763978240

約数和(自身を除く): 41791552600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 71, 122, 124, 142, 155, 244, 248, 284, 305, 310, 355, 488, 568, 610, 620, 710, 1220, 1240, 1420, 1891, 2201, 2440, 2840, 3782, 4331, 4402, 5581, 7564, 8662, 8804, 9455, 11005, 11162, 15128, 17324, 17608, 18910, 21655, 22010, 22324, 27905, 34648, 37820, 43310, 44020, 44648, 55810, 75640, 86620, 88040, 111620, 134261, 173011, 173240, 223240, 268522, 340441, 346022, 396251, 537044, 671305, 680882, 692044, 792502, 865055, 1074088, 1342610, 1361764, 1384088, 1585004, 1702205, 1730110, 1981255, 2685220, 2723528, 3170008, 3404410, 3460220, 3962510, 5370440, 6808820, 6920440, 7925020, 10553671, 12283781, 13617640, 15850040, 21107342, 24171311, 24567562, 42214684, 48342622, 49135124, 52768355, 61418905, 84429368, 96685244, 98270248, 105536710, 120856555, 122837810, 193370488, 211073420, 241713110, 245675620, 422146840, 483426220, 491351240, 749310641, 966852440, 1498621282, 2997242564, 3746553205, 5994485128, 7493106410, 14986212820, 29972425640]

約数ペア:

[(1, 29972425640), (2, 14986212820), (4, 7493106410), (5, 5994485128), (8, 3746553205), (10, 2997242564), (20, 1498621282), (31, 966852440), (40, 749310641), (61, 491351240), (62, 483426220), (71, 422146840), (122, 245675620), (124, 241713110), (142, 211073420), (155, 193370488), (244, 122837810), (248, 120856555), (284, 105536710), (305, 98270248), (310, 96685244), (355, 84429368), (488, 61418905), (568, 52768355), (610, 49135124), (620, 48342622), (710, 42214684), (1220, 24567562), (1240, 24171311), (1420, 21107342), (1891, 15850040), (2201, 13617640), (2440, 12283781), (2840, 10553671), (3782, 7925020), (4331, 6920440), (4402, 6808820), (5581, 5370440), (7564, 3962510), (8662, 3460220), (8804, 3404410), (9455, 3170008), (11005, 2723528), (11162, 2685220), (15128, 1981255), (17324, 1730110), (17608, 1702205), (18910, 1585004), (21655, 1384088), (22010, 1361764), (22324, 1342610), (27905, 1074088), (34648, 865055), (37820, 792502), (43310, 692044), (44020, 680882), (44648, 671305), (55810, 537044), (75640, 396251), (86620, 346022), (88040, 340441), (111620, 268522), (134261, 223240), (173011, 173240)]