76872640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1134

約数の個数: 112

約数和(自身を含む): 208922112

約数和(自身を除く): 132049472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1087, 1088, 1105, 1360, 1768, 2080, 2174, 2210, 2720, 3536, 4160, 4348, 4420, 5435, 5440, 7072, 8696, 8840, 10870, 14131, 14144, 17392, 17680, 18479, 21740, 28262, 34784, 35360, 36958, 43480, 56524, 69568, 70655, 70720, 73916, 86960, 92395, 113048, 141310, 147832, 173920, 184790, 226096, 240227, 282620, 295664, 347840, 369580, 452192, 480454, 565240, 591328, 739160, 904384, 960908, 1130480, 1182656, 1201135, 1478320, 1921816, 2260960, 2402270, 2956640, 3843632, 4521920, 4804540, 5913280, 7687264, 9609080, 15374528, 19218160, 38436320, 76872640]

約数ペア:

[(1, 76872640), (2, 38436320), (4, 19218160), (5, 15374528), (8, 9609080), (10, 7687264), (13, 5913280), (16, 4804540), (17, 4521920), (20, 3843632), (26, 2956640), (32, 2402270), (34, 2260960), (40, 1921816), (52, 1478320), (64, 1201135), (65, 1182656), (68, 1130480), (80, 960908), (85, 904384), (104, 739160), (130, 591328), (136, 565240), (160, 480454), (170, 452192), (208, 369580), (221, 347840), (260, 295664), (272, 282620), (320, 240227), (340, 226096), (416, 184790), (442, 173920), (520, 147832), (544, 141310), (680, 113048), (832, 92395), (884, 86960), (1040, 73916), (1087, 70720), (1088, 70655), (1105, 69568), (1360, 56524), (1768, 43480), (2080, 36958), (2174, 35360), (2210, 34784), (2720, 28262), (3536, 21740), (4160, 18479), (4348, 17680), (4420, 17392), (5435, 14144), (5440, 14131), (7072, 10870), (8696, 8840)]