723873020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{277}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 1807911840

約数和(自身を除く): 1084038820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 92, 95, 115, 130, 190, 230, 247, 260, 277, 299, 380, 437, 460, 494, 529, 554, 598, 874, 988, 1058, 1108, 1196, 1235, 1385, 1495, 1748, 2116, 2185, 2470, 2645, 2770, 2990, 3601, 4370, 4940, 5263, 5290, 5540, 5681, 5980, 6371, 6877, 7202, 8740, 10051, 10526, 10580, 11362, 12742, 13754, 14404, 18005, 20102, 21052, 22724, 25484, 26315, 27508, 28405, 31855, 34385, 36010, 40204, 50255, 52630, 56810, 63710, 68419, 68770, 72020, 82823, 100510, 105260, 113620, 121049, 127420, 130663, 136838, 137540, 146533, 165646, 201020, 242098, 261326, 273676, 293066, 331292, 342095, 414115, 484196, 522652, 586132, 605245, 653315, 684190, 732665, 828230, 1210490, 1306630, 1368380, 1465330, 1573637, 1656460, 1904929, 2420980, 2613260, 2784127, 2930660, 3147274, 3809858, 5568254, 6294548, 7619716, 7868185, 9524645, 11136508, 13920635, 15736370, 19049290, 27841270, 31472740, 36193651, 38098580, 55682540, 72387302, 144774604, 180968255, 361936510, 723873020]

約数ペア:

[(1, 723873020), (2, 361936510), (4, 180968255), (5, 144774604), (10, 72387302), (13, 55682540), (19, 38098580), (20, 36193651), (23, 31472740), (26, 27841270), (38, 19049290), (46, 15736370), (52, 13920635), (65, 11136508), (76, 9524645), (92, 7868185), (95, 7619716), (115, 6294548), (130, 5568254), (190, 3809858), (230, 3147274), (247, 2930660), (260, 2784127), (277, 2613260), (299, 2420980), (380, 1904929), (437, 1656460), (460, 1573637), (494, 1465330), (529, 1368380), (554, 1306630), (598, 1210490), (874, 828230), (988, 732665), (1058, 684190), (1108, 653315), (1196, 605245), (1235, 586132), (1385, 522652), (1495, 484196), (1748, 414115), (2116, 342095), (2185, 331292), (2470, 293066), (2645, 273676), (2770, 261326), (2990, 242098), (3601, 201020), (4370, 165646), (4940, 146533), (5263, 137540), (5290, 136838), (5540, 130663), (5681, 127420), (5980, 121049), (6371, 113620), (6877, 105260), (7202, 100510), (8740, 82823), (10051, 72020), (10526, 68770), (10580, 68419), (11362, 63710), (12742, 56810), (13754, 52630), (14404, 50255), (18005, 40204), (20102, 36010), (21052, 34385), (22724, 31855), (25484, 28405), (26315, 27508)]