248781660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:723

約数の個数: 96

約数和(自身を含む): 717733632

約数和(自身を除く): 468951972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 211, 215, 258, 422, 430, 457, 516, 633, 645, 844, 860, 914, 1055, 1266, 1290, 1371, 1828, 2110, 2285, 2532, 2580, 2742, 3165, 4220, 4570, 5484, 6330, 6855, 9073, 9140, 12660, 13710, 18146, 19651, 27219, 27420, 36292, 39302, 45365, 54438, 58953, 78604, 90730, 96427, 98255, 108876, 117906, 136095, 181460, 192854, 196510, 235812, 272190, 289281, 294765, 385708, 393020, 482135, 544380, 578562, 589530, 964270, 1157124, 1179060, 1446405, 1928540, 2892810, 4146361, 5785620, 8292722, 12439083, 16585444, 20731805, 24878166, 41463610, 49756332, 62195415, 82927220, 124390830, 248781660]

約数ペア:

[(1, 248781660), (2, 124390830), (3, 82927220), (4, 62195415), (5, 49756332), (6, 41463610), (10, 24878166), (12, 20731805), (15, 16585444), (20, 12439083), (30, 8292722), (43, 5785620), (60, 4146361), (86, 2892810), (129, 1928540), (172, 1446405), (211, 1179060), (215, 1157124), (258, 964270), (422, 589530), (430, 578562), (457, 544380), (516, 482135), (633, 393020), (645, 385708), (844, 294765), (860, 289281), (914, 272190), (1055, 235812), (1266, 196510), (1290, 192854), (1371, 181460), (1828, 136095), (2110, 117906), (2285, 108876), (2532, 98255), (2580, 96427), (2742, 90730), (3165, 78604), (4220, 58953), (4570, 54438), (5484, 45365), (6330, 39302), (6855, 36292), (9073, 27420), (9140, 27219), (12660, 19651), (13710, 18146)]