86123960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 229824000

約数和(自身を除く): 143700040

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 152, 184, 190, 230, 247, 260, 299, 379, 380, 437, 460, 494, 520, 598, 758, 760, 874, 920, 988, 1196, 1235, 1495, 1516, 1748, 1895, 1976, 2185, 2392, 2470, 2990, 3032, 3496, 3790, 4370, 4927, 4940, 5681, 5980, 7201, 7580, 8717, 8740, 9854, 9880, 11362, 11960, 14402, 15160, 17434, 17480, 19708, 22724, 24635, 28405, 28804, 34868, 36005, 39416, 43585, 45448, 49270, 56810, 57608, 69736, 72010, 87170, 93613, 98540, 113321, 113620, 144020, 165623, 174340, 187226, 197080, 226642, 227240, 288040, 331246, 348680, 374452, 453284, 468065, 566605, 662492, 748904, 828115, 906568, 936130, 1133210, 1324984, 1656230, 1872260, 2153099, 2266420, 3312460, 3744520, 4306198, 4532840, 6624920, 8612396, 10765495, 17224792, 21530990, 43061980, 86123960]

約数ペア:

[(1, 86123960), (2, 43061980), (4, 21530990), (5, 17224792), (8, 10765495), (10, 8612396), (13, 6624920), (19, 4532840), (20, 4306198), (23, 3744520), (26, 3312460), (38, 2266420), (40, 2153099), (46, 1872260), (52, 1656230), (65, 1324984), (76, 1133210), (92, 936130), (95, 906568), (104, 828115), (115, 748904), (130, 662492), (152, 566605), (184, 468065), (190, 453284), (230, 374452), (247, 348680), (260, 331246), (299, 288040), (379, 227240), (380, 226642), (437, 197080), (460, 187226), (494, 174340), (520, 165623), (598, 144020), (758, 113620), (760, 113321), (874, 98540), (920, 93613), (988, 87170), (1196, 72010), (1235, 69736), (1495, 57608), (1516, 56810), (1748, 49270), (1895, 45448), (1976, 43585), (2185, 39416), (2392, 36005), (2470, 34868), (2990, 28804), (3032, 28405), (3496, 24635), (3790, 22724), (4370, 19708), (4927, 17480), (4940, 17434), (5681, 15160), (5980, 14402), (7201, 11960), (7580, 11362), (8717, 9880), (8740, 9854)]