128054220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{599}}^1$

素因数の和:1127

約数の個数: 96

約数和(自身を含む): 411264000

約数和(自身を除く): 283209780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 509, 599, 1018, 1198, 1527, 1797, 2036, 2396, 2545, 2995, 3054, 3563, 3594, 4193, 5090, 5990, 6108, 7126, 7188, 7635, 8386, 8985, 10180, 10689, 11980, 12579, 14252, 15270, 16772, 17815, 17970, 20965, 21378, 25158, 30540, 35630, 35940, 41930, 42756, 50316, 53445, 62895, 71260, 83860, 106890, 125790, 213780, 251580, 304891, 609782, 914673, 1219564, 1524455, 1829346, 2134237, 3048910, 3658692, 4268474, 4573365, 6097820, 6402711, 8536948, 9146730, 10671185, 12805422, 18293460, 21342370, 25610844, 32013555, 42684740, 64027110, 128054220]

約数ペア:

[(1, 128054220), (2, 64027110), (3, 42684740), (4, 32013555), (5, 25610844), (6, 21342370), (7, 18293460), (10, 12805422), (12, 10671185), (14, 9146730), (15, 8536948), (20, 6402711), (21, 6097820), (28, 4573365), (30, 4268474), (35, 3658692), (42, 3048910), (60, 2134237), (70, 1829346), (84, 1524455), (105, 1219564), (140, 914673), (210, 609782), (420, 304891), (509, 251580), (599, 213780), (1018, 125790), (1198, 106890), (1527, 83860), (1797, 71260), (2036, 62895), (2396, 53445), (2545, 50316), (2995, 42756), (3054, 41930), (3563, 35940), (3594, 35630), (4193, 30540), (5090, 25158), (5990, 21378), (6108, 20965), (7126, 17970), (7188, 17815), (7635, 16772), (8386, 15270), (8985, 14252), (10180, 12579), (10689, 11980)]