1815397740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{775811}}^1$

素因数の和:775839

約数の個数: 72

約数和(自身を含む): 5930306928

約数和(自身を除く): 4114909188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 775811, 1551622, 2327433, 3103244, 3879055, 4654866, 6982299, 7758110, 9309732, 10085543, 11637165, 13964598, 15516220, 20171086, 23274330, 27929196, 30256629, 34911495, 40342172, 46548660, 50427715, 60513258, 69822990, 90769887, 100855430, 121026516, 139645980, 151283145, 181539774, 201710860, 302566290, 363079548, 453849435, 605132580, 907698870, 1815397740]

約数ペア:

[(1, 1815397740), (2, 907698870), (3, 605132580), (4, 453849435), (5, 363079548), (6, 302566290), (9, 201710860), (10, 181539774), (12, 151283145), (13, 139645980), (15, 121026516), (18, 100855430), (20, 90769887), (26, 69822990), (30, 60513258), (36, 50427715), (39, 46548660), (45, 40342172), (52, 34911495), (60, 30256629), (65, 27929196), (78, 23274330), (90, 20171086), (117, 15516220), (130, 13964598), (156, 11637165), (180, 10085543), (195, 9309732), (234, 7758110), (260, 6982299), (390, 4654866), (468, 3879055), (585, 3103244), (780, 2327433), (1170, 1551622), (2340, 775811)]