647041590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{32531}}^1$

素因数の和:32574

約数の個数: 96

約数和(自身を含む): 1918346976

約数和(自身を除く): 1271305386

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 1105, 1170, 1326, 1530, 1989, 2210, 3315, 3978, 6630, 9945, 19890, 32531, 65062, 97593, 162655, 195186, 292779, 325310, 422903, 487965, 553027, 585558, 845806, 975930, 1106054, 1268709, 1463895, 1659081, 2114515, 2537418, 2765135, 2927790, 3318162, 3806127, 4229030, 4977243, 5530270, 6343545, 7189351, 7612254, 8295405, 9954486, 12687090, 14378702, 16590810, 19030635, 21568053, 24886215, 35946755, 38061270, 43136106, 49772430, 64704159, 71893510, 107840265, 129408318, 215680530, 323520795, 647041590]

約数ペア:

[(1, 647041590), (2, 323520795), (3, 215680530), (5, 129408318), (6, 107840265), (9, 71893510), (10, 64704159), (13, 49772430), (15, 43136106), (17, 38061270), (18, 35946755), (26, 24886215), (30, 21568053), (34, 19030635), (39, 16590810), (45, 14378702), (51, 12687090), (65, 9954486), (78, 8295405), (85, 7612254), (90, 7189351), (102, 6343545), (117, 5530270), (130, 4977243), (153, 4229030), (170, 3806127), (195, 3318162), (221, 2927790), (234, 2765135), (255, 2537418), (306, 2114515), (390, 1659081), (442, 1463895), (510, 1268709), (585, 1106054), (663, 975930), (765, 845806), (1105, 585558), (1170, 553027), (1326, 487965), (1530, 422903), (1989, 325310), (2210, 292779), (3315, 195186), (3978, 162655), (6630, 97593), (9945, 65062), (19890, 32531)]