73206640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1706

約数の個数: 80

約数和(自身を含む): 187675488

約数和(自身を除く): 114468848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1637, 1720, 2236, 2795, 3274, 3440, 4472, 5590, 6548, 8185, 8944, 11180, 13096, 16370, 21281, 22360, 26192, 32740, 42562, 44720, 65480, 70391, 85124, 106405, 130960, 140782, 170248, 212810, 281564, 340496, 351955, 425620, 563128, 703910, 851240, 915083, 1126256, 1407820, 1702480, 1830166, 2815640, 3660332, 4575415, 5631280, 7320664, 9150830, 14641328, 18301660, 36603320, 73206640]

約数ペア:

[(1, 73206640), (2, 36603320), (4, 18301660), (5, 14641328), (8, 9150830), (10, 7320664), (13, 5631280), (16, 4575415), (20, 3660332), (26, 2815640), (40, 1830166), (43, 1702480), (52, 1407820), (65, 1126256), (80, 915083), (86, 851240), (104, 703910), (130, 563128), (172, 425620), (208, 351955), (215, 340496), (260, 281564), (344, 212810), (430, 170248), (520, 140782), (559, 130960), (688, 106405), (860, 85124), (1040, 70391), (1118, 65480), (1637, 44720), (1720, 42562), (2236, 32740), (2795, 26192), (3274, 22360), (3440, 21281), (4472, 16370), (5590, 13096), (6548, 11180), (8185, 8944)]