28117680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1483}}^1$

素因数の和:1578

約数の個数: 80

約数和(自身を含む): 88327680

約数和(自身を除く): 60210000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1483, 1580, 1896, 2370, 2966, 3160, 3792, 4449, 4740, 5932, 6320, 7415, 8898, 9480, 11864, 14830, 17796, 18960, 22245, 23728, 29660, 35592, 44490, 59320, 71184, 88980, 117157, 118640, 177960, 234314, 351471, 355920, 468628, 585785, 702942, 937256, 1171570, 1405884, 1757355, 1874512, 2343140, 2811768, 3514710, 4686280, 5623536, 7029420, 9372560, 14058840, 28117680]

約数ペア:

[(1, 28117680), (2, 14058840), (3, 9372560), (4, 7029420), (5, 5623536), (6, 4686280), (8, 3514710), (10, 2811768), (12, 2343140), (15, 1874512), (16, 1757355), (20, 1405884), (24, 1171570), (30, 937256), (40, 702942), (48, 585785), (60, 468628), (79, 355920), (80, 351471), (120, 234314), (158, 177960), (237, 118640), (240, 117157), (316, 88980), (395, 71184), (474, 59320), (632, 44490), (790, 35592), (948, 29660), (1185, 23728), (1264, 22245), (1483, 18960), (1580, 17796), (1896, 14830), (2370, 11864), (2966, 9480), (3160, 8898), (3792, 7415), (4449, 6320), (4740, 5932)]