80123260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 203212800

約数和(自身を除く): 123089540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 149, 161, 167, 230, 298, 322, 334, 460, 596, 644, 668, 745, 805, 835, 1043, 1169, 1490, 1610, 1670, 2086, 2338, 2980, 3220, 3340, 3427, 3841, 4172, 4676, 5215, 5845, 6854, 7682, 10430, 11690, 13708, 15364, 17135, 19205, 20860, 23380, 23989, 24883, 26887, 34270, 38410, 47978, 49766, 53774, 68540, 76820, 95956, 99532, 107548, 119945, 124415, 134435, 174181, 239890, 248830, 268870, 348362, 479780, 497660, 537740, 572309, 696724, 870905, 1144618, 1741810, 2289236, 2861545, 3483620, 4006163, 5723090, 8012326, 11446180, 16024652, 20030815, 40061630, 80123260]

約数ペア:

[(1, 80123260), (2, 40061630), (4, 20030815), (5, 16024652), (7, 11446180), (10, 8012326), (14, 5723090), (20, 4006163), (23, 3483620), (28, 2861545), (35, 2289236), (46, 1741810), (70, 1144618), (92, 870905), (115, 696724), (140, 572309), (149, 537740), (161, 497660), (167, 479780), (230, 348362), (298, 268870), (322, 248830), (334, 239890), (460, 174181), (596, 134435), (644, 124415), (668, 119945), (745, 107548), (805, 99532), (835, 95956), (1043, 76820), (1169, 68540), (1490, 53774), (1610, 49766), (1670, 47978), (2086, 38410), (2338, 34270), (2980, 26887), (3220, 24883), (3340, 23989), (3427, 23380), (3841, 20860), (4172, 19205), (4676, 17135), (5215, 15364), (5845, 13708), (6854, 11690), (7682, 10430)]