681360120

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{90127}}^1$

素因数の和:90154

約数の個数: 128

約数和(自身を含む): 2595686400

約数和(自身を除く): 1914326280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 90127, 180254, 270381, 360508, 450635, 540762, 630889, 721016, 811143, 901270, 1081524, 1261778, 1351905, 1622286, 1802540, 1892667, 2163048, 2433429, 2523556, 2703810, 3154445, 3244572, 3605080, 3785334, 4055715, 4866858, 5047112, 5407620, 5678001, 6308890, 6489144, 7570668, 8111430, 9463335, 9733716, 10815240, 11356002, 12167145, 12617780, 15141336, 16222860, 17034003, 18926670, 19467432, 22712004, 24334290, 25235560, 28390005, 32445720, 34068006, 37853340, 45424008, 48668580, 56780010, 68136012, 75706680, 85170015, 97337160, 113560020, 136272024, 170340030, 227120040, 340680060, 681360120]

約数ペア:

[(1, 681360120), (2, 340680060), (3, 227120040), (4, 170340030), (5, 136272024), (6, 113560020), (7, 97337160), (8, 85170015), (9, 75706680), (10, 68136012), (12, 56780010), (14, 48668580), (15, 45424008), (18, 37853340), (20, 34068006), (21, 32445720), (24, 28390005), (27, 25235560), (28, 24334290), (30, 22712004), (35, 19467432), (36, 18926670), (40, 17034003), (42, 16222860), (45, 15141336), (54, 12617780), (56, 12167145), (60, 11356002), (63, 10815240), (70, 9733716), (72, 9463335), (84, 8111430), (90, 7570668), (105, 6489144), (108, 6308890), (120, 5678001), (126, 5407620), (135, 5047112), (140, 4866858), (168, 4055715), (180, 3785334), (189, 3605080), (210, 3244572), (216, 3154445), (252, 2703810), (270, 2523556), (280, 2433429), (315, 2163048), (360, 1892667), (378, 1802540), (420, 1622286), (504, 1351905), (540, 1261778), (630, 1081524), (756, 901270), (840, 811143), (945, 721016), (1080, 630889), (1260, 540762), (1512, 450635), (1890, 360508), (2520, 270381), (3780, 180254), (7560, 90127)]