56489940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{619}}^1$

素因数の和:663

約数の個数: 144

約数和(自身を含む): 190612800

約数和(自身を除く): 134122860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 169, 180, 195, 234, 260, 270, 338, 351, 390, 468, 507, 540, 585, 619, 676, 702, 780, 845, 1014, 1170, 1238, 1404, 1521, 1690, 1755, 1857, 2028, 2340, 2476, 2535, 3042, 3095, 3380, 3510, 3714, 4563, 5070, 5571, 6084, 6190, 7020, 7428, 7605, 8047, 9126, 9285, 10140, 11142, 12380, 15210, 16094, 16713, 18252, 18570, 22284, 22815, 24141, 27855, 30420, 32188, 33426, 37140, 40235, 45630, 48282, 55710, 66852, 72423, 80470, 83565, 91260, 96564, 104611, 111420, 120705, 144846, 160940, 167130, 209222, 217269, 241410, 289692, 313833, 334260, 362115, 418444, 434538, 482820, 523055, 627666, 724230, 869076, 941499, 1046110, 1086345, 1255332, 1448460, 1569165, 1882998, 2092220, 2172690, 2824497, 3138330, 3765996, 4345380, 4707495, 5648994, 6276660, 9414990, 11297988, 14122485, 18829980, 28244970, 56489940]

約数ペア:

[(1, 56489940), (2, 28244970), (3, 18829980), (4, 14122485), (5, 11297988), (6, 9414990), (9, 6276660), (10, 5648994), (12, 4707495), (13, 4345380), (15, 3765996), (18, 3138330), (20, 2824497), (26, 2172690), (27, 2092220), (30, 1882998), (36, 1569165), (39, 1448460), (45, 1255332), (52, 1086345), (54, 1046110), (60, 941499), (65, 869076), (78, 724230), (90, 627666), (108, 523055), (117, 482820), (130, 434538), (135, 418444), (156, 362115), (169, 334260), (180, 313833), (195, 289692), (234, 241410), (260, 217269), (270, 209222), (338, 167130), (351, 160940), (390, 144846), (468, 120705), (507, 111420), (540, 104611), (585, 96564), (619, 91260), (676, 83565), (702, 80470), (780, 72423), (845, 66852), (1014, 55710), (1170, 48282), (1238, 45630), (1404, 40235), (1521, 37140), (1690, 33426), (1755, 32188), (1857, 30420), (2028, 27855), (2340, 24141), (2476, 22815), (2535, 22284), (3042, 18570), (3095, 18252), (3380, 16713), (3510, 16094), (3714, 15210), (4563, 12380), (5070, 11142), (5571, 10140), (6084, 9285), (6190, 9126), (7020, 8047), (7428, 7605)]