34890080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:556

約数の個数: 96

約数和(自身を含む): 90720000

約数和(自身を除く): 55829920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 368, 380, 437, 460, 499, 608, 736, 760, 874, 920, 998, 1520, 1748, 1840, 1996, 2185, 2495, 3040, 3496, 3680, 3992, 4370, 4990, 6992, 7984, 8740, 9481, 9980, 11477, 13984, 15968, 17480, 18962, 19960, 22954, 34960, 37924, 39920, 45908, 47405, 57385, 69920, 75848, 79840, 91816, 94810, 114770, 151696, 183632, 189620, 218063, 229540, 303392, 367264, 379240, 436126, 459080, 758480, 872252, 918160, 1090315, 1516960, 1744504, 1836320, 2180630, 3489008, 4361260, 6978016, 8722520, 17445040, 34890080]

約数ペア:

[(1, 34890080), (2, 17445040), (4, 8722520), (5, 6978016), (8, 4361260), (10, 3489008), (16, 2180630), (19, 1836320), (20, 1744504), (23, 1516960), (32, 1090315), (38, 918160), (40, 872252), (46, 758480), (76, 459080), (80, 436126), (92, 379240), (95, 367264), (115, 303392), (152, 229540), (160, 218063), (184, 189620), (190, 183632), (230, 151696), (304, 114770), (368, 94810), (380, 91816), (437, 79840), (460, 75848), (499, 69920), (608, 57385), (736, 47405), (760, 45908), (874, 39920), (920, 37924), (998, 34960), (1520, 22954), (1748, 19960), (1840, 18962), (1996, 17480), (2185, 15968), (2495, 13984), (3040, 11477), (3496, 9980), (3680, 9481), (3992, 8740), (4370, 7984), (4990, 6992)]