77791520

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21139}}^1$

素因数の和:21177

約数の個数: 48

約数和(自身を含む): 191782080

約数和(自身を除く): 113990560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 21139, 42278, 84556, 105695, 169112, 211390, 338224, 422780, 486197, 676448, 845560, 972394, 1691120, 1944788, 2430985, 3382240, 3889576, 4861970, 7779152, 9723940, 15558304, 19447880, 38895760, 77791520]

約数ペア:

[(1, 77791520), (2, 38895760), (4, 19447880), (5, 15558304), (8, 9723940), (10, 7779152), (16, 4861970), (20, 3889576), (23, 3382240), (32, 2430985), (40, 1944788), (46, 1691120), (80, 972394), (92, 845560), (115, 676448), (160, 486197), (184, 422780), (230, 338224), (368, 211390), (460, 169112), (736, 105695), (920, 84556), (1840, 42278), (3680, 21139)]