173879680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20899}}^1$

素因数の和:20931

約数の個数: 64

約数和(自身を含む): 447678000

約数和(自身を除く): 273798320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 20899, 41798, 83596, 104495, 167192, 208990, 271687, 334384, 417980, 543374, 668768, 835960, 1086748, 1337536, 1358435, 1671920, 2173496, 2675072, 2716870, 3343840, 4346992, 5433740, 6687680, 8693984, 10867480, 13375360, 17387968, 21734960, 34775936, 43469920, 86939840, 173879680]

約数ペア:

[(1, 173879680), (2, 86939840), (4, 43469920), (5, 34775936), (8, 21734960), (10, 17387968), (13, 13375360), (16, 10867480), (20, 8693984), (26, 6687680), (32, 5433740), (40, 4346992), (52, 3343840), (64, 2716870), (65, 2675072), (80, 2173496), (104, 1671920), (128, 1358435), (130, 1337536), (160, 1086748), (208, 835960), (260, 668768), (320, 543374), (416, 417980), (520, 334384), (640, 271687), (832, 208990), (1040, 167192), (1664, 104495), (2080, 83596), (4160, 41798), (8320, 20899)]