31234745620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{3221}}^1$

素因数の和:3426

約数の個数: 144

約数和(自身を含む): 75283447680

約数和(自身を除く): 44048702060

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 151, 169, 190, 247, 260, 302, 338, 380, 494, 604, 676, 755, 845, 988, 1235, 1510, 1690, 1963, 2470, 2869, 3020, 3211, 3221, 3380, 3926, 4940, 5738, 6422, 6442, 7852, 9815, 11476, 12844, 12884, 14345, 16055, 16105, 19630, 25519, 28690, 32110, 32210, 37297, 39260, 41873, 51038, 57380, 61199, 64220, 64420, 74594, 83746, 102076, 122398, 127595, 149188, 167492, 186485, 209365, 244796, 255190, 305995, 372970, 418730, 484861, 486371, 510380, 544349, 611990, 745940, 795587, 837460, 969722, 972742, 1088698, 1223980, 1591174, 1939444, 1945484, 2177396, 2424305, 2431855, 2721745, 3182348, 3977935, 4848610, 4863710, 5443490, 6322823, 7955870, 9241049, 9697220, 9727420, 10342631, 10886980, 12645646, 15911740, 18482098, 20685262, 25291292, 31614115, 36964196, 41370524, 46205245, 51713155, 63228230, 82196699, 92410490, 103426310, 120133637, 126456460, 164393398, 184820980, 206852620, 240267274, 328786796, 410983495, 480534548, 600668185, 821966990, 1201336370, 1561737281, 1643933980, 2402672740, 3123474562, 6246949124, 7808686405, 15617372810, 31234745620]

約数ペア:

[(1, 31234745620), (2, 15617372810), (4, 7808686405), (5, 6246949124), (10, 3123474562), (13, 2402672740), (19, 1643933980), (20, 1561737281), (26, 1201336370), (38, 821966990), (52, 600668185), (65, 480534548), (76, 410983495), (95, 328786796), (130, 240267274), (151, 206852620), (169, 184820980), (190, 164393398), (247, 126456460), (260, 120133637), (302, 103426310), (338, 92410490), (380, 82196699), (494, 63228230), (604, 51713155), (676, 46205245), (755, 41370524), (845, 36964196), (988, 31614115), (1235, 25291292), (1510, 20685262), (1690, 18482098), (1963, 15911740), (2470, 12645646), (2869, 10886980), (3020, 10342631), (3211, 9727420), (3221, 9697220), (3380, 9241049), (3926, 7955870), (4940, 6322823), (5738, 5443490), (6422, 4863710), (6442, 4848610), (7852, 3977935), (9815, 3182348), (11476, 2721745), (12844, 2431855), (12884, 2424305), (14345, 2177396), (16055, 1945484), (16105, 1939444), (19630, 1591174), (25519, 1223980), (28690, 1088698), (32110, 972742), (32210, 969722), (37297, 837460), (39260, 795587), (41873, 745940), (51038, 611990), (57380, 544349), (61199, 510380), (64220, 486371), (64420, 484861), (74594, 418730), (83746, 372970), (102076, 305995), (122398, 255190), (127595, 244796), (149188, 209365), (167492, 186485)]