15120846

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 72

約数和(自身を含む): 37444680

約数和(自身を除く): 22323834

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 179, 234, 247, 342, 358, 361, 494, 537, 722, 741, 1074, 1083, 1482, 1611, 2166, 2223, 2327, 3222, 3249, 3401, 4446, 4654, 4693, 6498, 6802, 6981, 9386, 10203, 13962, 14079, 20406, 20943, 28158, 30609, 41886, 42237, 44213, 61218, 64619, 84474, 88426, 129238, 132639, 193857, 265278, 387714, 397917, 581571, 795834, 840047, 1163142, 1680094, 2520141, 5040282, 7560423, 15120846]

約数ペア:

[(1, 15120846), (2, 7560423), (3, 5040282), (6, 2520141), (9, 1680094), (13, 1163142), (18, 840047), (19, 795834), (26, 581571), (38, 397917), (39, 387714), (57, 265278), (78, 193857), (114, 132639), (117, 129238), (171, 88426), (179, 84474), (234, 64619), (247, 61218), (342, 44213), (358, 42237), (361, 41886), (494, 30609), (537, 28158), (722, 20943), (741, 20406), (1074, 14079), (1083, 13962), (1482, 10203), (1611, 9386), (2166, 6981), (2223, 6802), (2327, 6498), (3222, 4693), (3249, 4654), (3401, 4446)]