15981420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2927}}^1$

素因数の和:2959

約数の個数: 96

約数和(自身を含む): 55093248

約数和(自身を除く): 39111828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 2927, 5460, 5854, 8781, 11708, 14635, 17562, 20489, 29270, 35124, 38051, 40978, 43905, 58540, 61467, 76102, 81956, 87810, 102445, 114153, 122934, 152204, 175620, 190255, 204890, 228306, 245868, 266357, 307335, 380510, 409780, 456612, 532714, 570765, 614670, 761020, 799071, 1065428, 1141530, 1229340, 1331785, 1598142, 2283060, 2663570, 3196284, 3995355, 5327140, 7990710, 15981420]

約数ペア:

[(1, 15981420), (2, 7990710), (3, 5327140), (4, 3995355), (5, 3196284), (6, 2663570), (7, 2283060), (10, 1598142), (12, 1331785), (13, 1229340), (14, 1141530), (15, 1065428), (20, 799071), (21, 761020), (26, 614670), (28, 570765), (30, 532714), (35, 456612), (39, 409780), (42, 380510), (52, 307335), (60, 266357), (65, 245868), (70, 228306), (78, 204890), (84, 190255), (91, 175620), (105, 152204), (130, 122934), (140, 114153), (156, 102445), (182, 87810), (195, 81956), (210, 76102), (260, 61467), (273, 58540), (364, 43905), (390, 40978), (420, 38051), (455, 35124), (546, 29270), (780, 20489), (910, 17562), (1092, 14635), (1365, 11708), (1820, 8781), (2730, 5854), (2927, 5460)]