147861520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 358852032

約数和(自身を除く): 210990512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 688, 811, 848, 860, 1060, 1622, 1720, 2120, 2279, 3244, 3440, 4055, 4240, 4558, 6488, 8110, 9116, 11395, 12976, 16220, 18232, 22790, 32440, 34873, 36464, 42983, 45580, 64880, 69746, 85966, 91160, 139492, 171932, 174365, 182320, 214915, 278984, 343864, 348730, 429830, 557968, 687728, 697460, 859660, 1394920, 1719320, 1848269, 2789840, 3438640, 3696538, 7393076, 9241345, 14786152, 18482690, 29572304, 36965380, 73930760, 147861520]

約数ペア:

[(1, 147861520), (2, 73930760), (4, 36965380), (5, 29572304), (8, 18482690), (10, 14786152), (16, 9241345), (20, 7393076), (40, 3696538), (43, 3438640), (53, 2789840), (80, 1848269), (86, 1719320), (106, 1394920), (172, 859660), (212, 697460), (215, 687728), (265, 557968), (344, 429830), (424, 348730), (430, 343864), (530, 278984), (688, 214915), (811, 182320), (848, 174365), (860, 171932), (1060, 139492), (1622, 91160), (1720, 85966), (2120, 69746), (2279, 64880), (3244, 45580), (3440, 42983), (4055, 36464), (4240, 34873), (4558, 32440), (6488, 22790), (8110, 18232), (9116, 16220), (11395, 12976)]