157918960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1802

約数の個数: 80

約数和(自身を含む): 389475072

約数和(自身を除く): 231556112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 1721, 2294, 2480, 2960, 3442, 4588, 5735, 6884, 8605, 9176, 11470, 13768, 17210, 18352, 22940, 27536, 34420, 45880, 53351, 63677, 68840, 91760, 106702, 127354, 137680, 213404, 254708, 266755, 318385, 426808, 509416, 533510, 636770, 853616, 1018832, 1067020, 1273540, 1973987, 2134040, 2547080, 3947974, 4268080, 5094160, 7895948, 9869935, 15791896, 19739870, 31583792, 39479740, 78959480, 157918960]

約数ペア:

[(1, 157918960), (2, 78959480), (4, 39479740), (5, 31583792), (8, 19739870), (10, 15791896), (16, 9869935), (20, 7895948), (31, 5094160), (37, 4268080), (40, 3947974), (62, 2547080), (74, 2134040), (80, 1973987), (124, 1273540), (148, 1067020), (155, 1018832), (185, 853616), (248, 636770), (296, 533510), (310, 509416), (370, 426808), (496, 318385), (592, 266755), (620, 254708), (740, 213404), (1147, 137680), (1240, 127354), (1480, 106702), (1721, 91760), (2294, 68840), (2480, 63677), (2960, 53351), (3442, 45880), (4588, 34420), (5735, 27536), (6884, 22940), (8605, 18352), (9176, 17210), (11470, 13768)]