25613640

素因数分解:

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

素因数の和:464

約数の個数: 144

約数和(自身を含む): 90354420

約数和(自身を除く): 64740780

約数列:

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

約数ペア:

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