556723980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{3121}}^1$

素因数の和:4127

約数の個数: 72

約数和(自身を含む): 1690975104

約数和(自身を除く): 1134251124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 991, 1982, 2973, 3121, 3964, 4955, 5946, 6242, 8919, 9363, 9910, 11892, 12484, 14865, 15605, 17838, 18726, 19820, 28089, 29730, 31210, 35676, 37452, 44595, 46815, 56178, 59460, 62420, 89190, 93630, 112356, 140445, 178380, 187260, 280890, 561780, 3092911, 6185822, 9278733, 12371644, 15464555, 18557466, 27836199, 30929110, 37114932, 46393665, 55672398, 61858220, 92787330, 111344796, 139180995, 185574660, 278361990, 556723980]

約数ペア:

[(1, 556723980), (2, 278361990), (3, 185574660), (4, 139180995), (5, 111344796), (6, 92787330), (9, 61858220), (10, 55672398), (12, 46393665), (15, 37114932), (18, 30929110), (20, 27836199), (30, 18557466), (36, 15464555), (45, 12371644), (60, 9278733), (90, 6185822), (180, 3092911), (991, 561780), (1982, 280890), (2973, 187260), (3121, 178380), (3964, 140445), (4955, 112356), (5946, 93630), (6242, 89190), (8919, 62420), (9363, 59460), (9910, 56178), (11892, 46815), (12484, 44595), (14865, 37452), (15605, 35676), (17838, 31210), (18726, 29730), (19820, 28089)]