51227280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:466

約数の個数: 180

約数和(自身を含む): 186732468

約数和(自身を除く): 135505188

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 260, 312, 338, 360, 390, 421, 468, 507, 520, 585, 624, 676, 720, 780, 842, 845, 936, 1014, 1040, 1170, 1263, 1352, 1521, 1560, 1684, 1690, 1872, 2028, 2105, 2340, 2526, 2535, 2704, 3042, 3120, 3368, 3380, 3789, 4056, 4210, 4680, 5052, 5070, 5473, 6084, 6315, 6736, 6760, 7578, 7605, 8112, 8420, 9360, 10104, 10140, 10946, 12168, 12630, 13520, 15156, 15210, 16419, 16840, 18945, 20208, 20280, 21892, 24336, 25260, 27365, 30312, 30420, 32838, 33680, 37890, 40560, 43784, 49257, 50520, 54730, 60624, 60840, 65676, 71149, 75780, 82095, 87568, 98514, 101040, 109460, 121680, 131352, 142298, 151560, 164190, 197028, 213447, 218920, 246285, 262704, 284596, 303120, 328380, 355745, 394056, 426894, 437840, 492570, 569192, 640341, 656760, 711490, 788112, 853788, 985140, 1067235, 1138384, 1280682, 1313520, 1422980, 1707576, 1970280, 2134470, 2561364, 2845960, 3201705, 3415152, 3940560, 4268940, 5122728, 5691920, 6403410, 8537880, 10245456, 12806820, 17075760, 25613640, 51227280]

約数ペア:

[(1, 51227280), (2, 25613640), (3, 17075760), (4, 12806820), (5, 10245456), (6, 8537880), (8, 6403410), (9, 5691920), (10, 5122728), (12, 4268940), (13, 3940560), (15, 3415152), (16, 3201705), (18, 2845960), (20, 2561364), (24, 2134470), (26, 1970280), (30, 1707576), (36, 1422980), (39, 1313520), (40, 1280682), (45, 1138384), (48, 1067235), (52, 985140), (60, 853788), (65, 788112), (72, 711490), (78, 656760), (80, 640341), (90, 569192), (104, 492570), (117, 437840), (120, 426894), (130, 394056), (144, 355745), (156, 328380), (169, 303120), (180, 284596), (195, 262704), (208, 246285), (234, 218920), (240, 213447), (260, 197028), (312, 164190), (338, 151560), (360, 142298), (390, 131352), (421, 121680), (468, 109460), (507, 101040), (520, 98514), (585, 87568), (624, 82095), (676, 75780), (720, 71149), (780, 65676), (842, 60840), (845, 60624), (936, 54730), (1014, 50520), (1040, 49257), (1170, 43784), (1263, 40560), (1352, 37890), (1521, 33680), (1560, 32838), (1684, 30420), (1690, 30312), (1872, 27365), (2028, 25260), (2105, 24336), (2340, 21892), (2526, 20280), (2535, 20208), (2704, 18945), (3042, 16840), (3120, 16419), (3368, 15210), (3380, 15156), (3789, 13520), (4056, 12630), (4210, 12168), (4680, 10946), (5052, 10140), (5070, 10104), (5473, 9360), (6084, 8420), (6315, 8112), (6736, 7605), (6760, 7578)]