87518720

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2051

約数の個数: 80

約数和(自身を含む): 222293808

約数和(自身を除く): 134775088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2011, 2176, 2560, 2720, 4022, 4352, 5440, 8044, 8704, 10055, 10880, 16088, 20110, 21760, 32176, 34187, 40220, 43520, 64352, 68374, 80440, 128704, 136748, 160880, 170935, 257408, 273496, 321760, 341870, 514816, 546992, 643520, 683740, 1029632, 1093984, 1287040, 1367480, 2187968, 2574080, 2734960, 4375936, 5148160, 5469920, 8751872, 10939840, 17503744, 21879680, 43759360, 87518720]

約数ペア:

[(1, 87518720), (2, 43759360), (4, 21879680), (5, 17503744), (8, 10939840), (10, 8751872), (16, 5469920), (17, 5148160), (20, 4375936), (32, 2734960), (34, 2574080), (40, 2187968), (64, 1367480), (68, 1287040), (80, 1093984), (85, 1029632), (128, 683740), (136, 643520), (160, 546992), (170, 514816), (256, 341870), (272, 321760), (320, 273496), (340, 257408), (512, 170935), (544, 160880), (640, 136748), (680, 128704), (1088, 80440), (1280, 68374), (1360, 64352), (2011, 43520), (2176, 40220), (2560, 34187), (2720, 32176), (4022, 21760), (4352, 20110), (5440, 16088), (8044, 10880), (8704, 10055)]