157672400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 120

約数和(自身を含む): 395778240

約数和(自身を除く): 238105840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 89, 100, 103, 172, 178, 200, 206, 215, 344, 356, 400, 412, 430, 445, 515, 688, 712, 824, 860, 890, 1030, 1075, 1424, 1648, 1720, 1780, 2060, 2150, 2225, 2575, 3440, 3560, 3827, 4120, 4300, 4429, 4450, 5150, 7120, 7654, 8240, 8600, 8858, 8900, 9167, 10300, 15308, 17200, 17716, 17800, 18334, 19135, 20600, 22145, 30616, 35432, 35600, 36668, 38270, 41200, 44290, 45835, 61232, 70864, 73336, 76540, 88580, 91670, 95675, 110725, 146672, 153080, 177160, 183340, 191350, 221450, 229175, 306160, 354320, 366680, 382700, 394181, 442900, 458350, 733360, 765400, 788362, 885800, 916700, 1530800, 1576724, 1771600, 1833400, 1970905, 3153448, 3666800, 3941810, 6306896, 7883620, 9854525, 15767240, 19709050, 31534480, 39418100, 78836200, 157672400]

約数ペア:

[(1, 157672400), (2, 78836200), (4, 39418100), (5, 31534480), (8, 19709050), (10, 15767240), (16, 9854525), (20, 7883620), (25, 6306896), (40, 3941810), (43, 3666800), (50, 3153448), (80, 1970905), (86, 1833400), (89, 1771600), (100, 1576724), (103, 1530800), (172, 916700), (178, 885800), (200, 788362), (206, 765400), (215, 733360), (344, 458350), (356, 442900), (400, 394181), (412, 382700), (430, 366680), (445, 354320), (515, 306160), (688, 229175), (712, 221450), (824, 191350), (860, 183340), (890, 177160), (1030, 153080), (1075, 146672), (1424, 110725), (1648, 95675), (1720, 91670), (1780, 88580), (2060, 76540), (2150, 73336), (2225, 70864), (2575, 61232), (3440, 45835), (3560, 44290), (3827, 41200), (4120, 38270), (4300, 36668), (4429, 35600), (4450, 35432), (5150, 30616), (7120, 22145), (7654, 20600), (8240, 19135), (8600, 18334), (8858, 17800), (8900, 17716), (9167, 17200), (10300, 15308)]