389456880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{18233}}^1$

素因数の和:18338

約数の個数: 80

約数和(自身を含む): 1220948640

約数和(自身を除く): 831491760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 1068, 1335, 1424, 1780, 2136, 2670, 3560, 4272, 5340, 7120, 10680, 18233, 21360, 36466, 54699, 72932, 91165, 109398, 145864, 182330, 218796, 273495, 291728, 364660, 437592, 546990, 729320, 875184, 1093980, 1458640, 1622737, 2187960, 3245474, 4375920, 4868211, 6490948, 8113685, 9736422, 12981896, 16227370, 19472844, 24341055, 25963792, 32454740, 38945688, 48682110, 64909480, 77891376, 97364220, 129818960, 194728440, 389456880]

約数ペア:

[(1, 389456880), (2, 194728440), (3, 129818960), (4, 97364220), (5, 77891376), (6, 64909480), (8, 48682110), (10, 38945688), (12, 32454740), (15, 25963792), (16, 24341055), (20, 19472844), (24, 16227370), (30, 12981896), (40, 9736422), (48, 8113685), (60, 6490948), (80, 4868211), (89, 4375920), (120, 3245474), (178, 2187960), (240, 1622737), (267, 1458640), (356, 1093980), (445, 875184), (534, 729320), (712, 546990), (890, 437592), (1068, 364660), (1335, 291728), (1424, 273495), (1780, 218796), (2136, 182330), (2670, 145864), (3560, 109398), (4272, 91165), (5340, 72932), (7120, 54699), (10680, 36466), (18233, 21360)]