16615671680

素因数分解:

$2^7\times 5^1\times {\mathrm{167}}^1\times {\mathrm{155461}}^1$

素因数の和:155647

約数の個数: 64

約数和(自身を含む): 39959952480

約数和(自身を除く): 23344280800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 320, 334, 640, 668, 835, 1336, 1670, 2672, 3340, 5344, 6680, 10688, 13360, 21376, 26720, 53440, 106880, 155461, 310922, 621844, 777305, 1243688, 1554610, 2487376, 3109220, 4974752, 6218440, 9949504, 12436880, 19899008, 24873760, 25961987, 49747520, 51923974, 99495040, 103847948, 129809935, 207695896, 259619870, 415391792, 519239740, 830783584, 1038479480, 1661567168, 2076958960, 3323134336, 4153917920, 8307835840, 16615671680]

約数ペア:

[(1, 16615671680), (2, 8307835840), (4, 4153917920), (5, 3323134336), (8, 2076958960), (10, 1661567168), (16, 1038479480), (20, 830783584), (32, 519239740), (40, 415391792), (64, 259619870), (80, 207695896), (128, 129809935), (160, 103847948), (167, 99495040), (320, 51923974), (334, 49747520), (640, 25961987), (668, 24873760), (835, 19899008), (1336, 12436880), (1670, 9949504), (2672, 6218440), (3340, 4974752), (5344, 3109220), (6680, 2487376), (10688, 1554610), (13360, 1243688), (21376, 777305), (26720, 621844), (53440, 310922), (106880, 155461)]