80719440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3779}}^1$

素因数の和:3884

約数の個数: 80

約数和(自身を含む): 253108800

約数和(自身を除く): 172389360

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, 3779, 4272, 5340, 7120, 7558, 10680, 11337, 15116, 18895, 21360, 22674, 30232, 37790, 45348, 56685, 60464, 75580, 90696, 113370, 151160, 181392, 226740, 302320, 336331, 453480, 672662, 906960, 1008993, 1345324, 1681655, 2017986, 2690648, 3363310, 4035972, 5044965, 5381296, 6726620, 8071944, 10089930, 13453240, 16143888, 20179860, 26906480, 40359720, 80719440]

約数ペア:

[(1, 80719440), (2, 40359720), (3, 26906480), (4, 20179860), (5, 16143888), (6, 13453240), (8, 10089930), (10, 8071944), (12, 6726620), (15, 5381296), (16, 5044965), (20, 4035972), (24, 3363310), (30, 2690648), (40, 2017986), (48, 1681655), (60, 1345324), (80, 1008993), (89, 906960), (120, 672662), (178, 453480), (240, 336331), (267, 302320), (356, 226740), (445, 181392), (534, 151160), (712, 113370), (890, 90696), (1068, 75580), (1335, 60464), (1424, 56685), (1780, 45348), (2136, 37790), (2670, 30232), (3560, 22674), (3779, 21360), (4272, 18895), (5340, 15116), (7120, 11337), (7558, 10680)]