144639163640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4425923}}^1$

素因数の和:4425996

約数の個数: 64

約数和(自身を含む): 350533180800

約数和(自身を除く): 205894017160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 16340, 32680, 4425923, 8851846, 17703692, 22129615, 35407384, 44259230, 84092537, 88518460, 168185074, 177036920, 190314689, 336370148, 380629378, 420462685, 672740296, 761258756, 840925370, 951573445, 1522517512, 1681850740, 1903146890, 3363701480, 3615979091, 3806293780, 7231958182, 7612587560, 14463916364, 18079895455, 28927832728, 36159790910, 72319581820, 144639163640]

約数ペア:

[(1, 144639163640), (2, 72319581820), (4, 36159790910), (5, 28927832728), (8, 18079895455), (10, 14463916364), (19, 7612587560), (20, 7231958182), (38, 3806293780), (40, 3615979091), (43, 3363701480), (76, 1903146890), (86, 1681850740), (95, 1522517512), (152, 951573445), (172, 840925370), (190, 761258756), (215, 672740296), (344, 420462685), (380, 380629378), (430, 336370148), (760, 190314689), (817, 177036920), (860, 168185074), (1634, 88518460), (1720, 84092537), (3268, 44259230), (4085, 35407384), (6536, 22129615), (8170, 17703692), (16340, 8851846), (32680, 4425923)]