91578640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:808

約数の個数: 80

約数和(自身を含む): 225628416

約数和(自身を除く): 134049776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 115, 142, 184, 230, 284, 355, 368, 460, 568, 701, 710, 920, 1136, 1402, 1420, 1633, 1840, 2804, 2840, 3266, 3505, 5608, 5680, 6532, 7010, 8165, 11216, 13064, 14020, 16123, 16330, 26128, 28040, 32246, 32660, 49771, 56080, 64492, 65320, 80615, 99542, 128984, 130640, 161230, 199084, 248855, 257968, 322460, 398168, 497710, 644920, 796336, 995420, 1144733, 1289840, 1990840, 2289466, 3981680, 4578932, 5723665, 9157864, 11447330, 18315728, 22894660, 45789320, 91578640]

約数ペア:

[(1, 91578640), (2, 45789320), (4, 22894660), (5, 18315728), (8, 11447330), (10, 9157864), (16, 5723665), (20, 4578932), (23, 3981680), (40, 2289466), (46, 1990840), (71, 1289840), (80, 1144733), (92, 995420), (115, 796336), (142, 644920), (184, 497710), (230, 398168), (284, 322460), (355, 257968), (368, 248855), (460, 199084), (568, 161230), (701, 130640), (710, 128984), (920, 99542), (1136, 80615), (1402, 65320), (1420, 64492), (1633, 56080), (1840, 49771), (2804, 32660), (2840, 32246), (3266, 28040), (3505, 26128), (5608, 16330), (5680, 16123), (6532, 14020), (7010, 13064), (8165, 11216)]