289690120

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 662310720

約数和(自身を除く): 372620600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 163, 283, 314, 326, 566, 628, 652, 785, 815, 1132, 1256, 1304, 1415, 1570, 1630, 2264, 2830, 3140, 3260, 5660, 6280, 6520, 11320, 25591, 44431, 46129, 51182, 88862, 92258, 102364, 127955, 177724, 184516, 204728, 222155, 230645, 255910, 355448, 369032, 444310, 461290, 511820, 888620, 922580, 1023640, 1777240, 1845160, 7242253, 14484506, 28969012, 36211265, 57938024, 72422530, 144845060, 289690120]

約数ペア:

[(1, 289690120), (2, 144845060), (4, 72422530), (5, 57938024), (8, 36211265), (10, 28969012), (20, 14484506), (40, 7242253), (157, 1845160), (163, 1777240), (283, 1023640), (314, 922580), (326, 888620), (566, 511820), (628, 461290), (652, 444310), (785, 369032), (815, 355448), (1132, 255910), (1256, 230645), (1304, 222155), (1415, 204728), (1570, 184516), (1630, 177724), (2264, 127955), (2830, 102364), (3140, 92258), (3260, 88862), (5660, 51182), (6280, 46129), (6520, 44431), (11320, 25591)]