1986642840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181927}}^1$

素因数の和:181961

約数の個数: 128

約数和(自身を含む): 7335336960

約数和(自身を除く): 5348694120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 181927, 363854, 545781, 727708, 909635, 1091562, 1273489, 1455416, 1819270, 2183124, 2365051, 2546978, 2728905, 3638540, 3820467, 4366248, 4730102, 5093956, 5457810, 6367445, 7095153, 7277080, 7640934, 9460204, 10187912, 10915620, 11825255, 12734890, 14190306, 15281868, 16555357, 18920408, 19102335, 21831240, 23650510, 25469780, 28380612, 30563736, 33110714, 35475765, 38204670, 47301020, 49666071, 50939560, 56761224, 66221428, 70951530, 76409340, 82776785, 94602040, 99332142, 132442856, 141903060, 152818680, 165553570, 198664284, 248330355, 283806120, 331107140, 397328568, 496660710, 662214280, 993321420, 1986642840]

約数ペア:

[(1, 1986642840), (2, 993321420), (3, 662214280), (4, 496660710), (5, 397328568), (6, 331107140), (7, 283806120), (8, 248330355), (10, 198664284), (12, 165553570), (13, 152818680), (14, 141903060), (15, 132442856), (20, 99332142), (21, 94602040), (24, 82776785), (26, 76409340), (28, 70951530), (30, 66221428), (35, 56761224), (39, 50939560), (40, 49666071), (42, 47301020), (52, 38204670), (56, 35475765), (60, 33110714), (65, 30563736), (70, 28380612), (78, 25469780), (84, 23650510), (91, 21831240), (104, 19102335), (105, 18920408), (120, 16555357), (130, 15281868), (140, 14190306), (156, 12734890), (168, 11825255), (182, 10915620), (195, 10187912), (210, 9460204), (260, 7640934), (273, 7277080), (280, 7095153), (312, 6367445), (364, 5457810), (390, 5093956), (420, 4730102), (455, 4366248), (520, 3820467), (546, 3638540), (728, 2728905), (780, 2546978), (840, 2365051), (910, 2183124), (1092, 1819270), (1365, 1455416), (1560, 1273489), (1820, 1091562), (2184, 909635), (2730, 727708), (3640, 545781), (5460, 363854), (10920, 181927)]