66507240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12889}}^1$

素因数の和:12946

約数の個数: 64

約数和(自身を含む): 204177600

約数和(自身を除く): 137670360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 12889, 25778, 38667, 51556, 64445, 77334, 103112, 128890, 154668, 193335, 257780, 309336, 386670, 515560, 554227, 773340, 1108454, 1546680, 1662681, 2216908, 2771135, 3325362, 4433816, 5542270, 6650724, 8313405, 11084540, 13301448, 16626810, 22169080, 33253620, 66507240]

約数ペア:

[(1, 66507240), (2, 33253620), (3, 22169080), (4, 16626810), (5, 13301448), (6, 11084540), (8, 8313405), (10, 6650724), (12, 5542270), (15, 4433816), (20, 3325362), (24, 2771135), (30, 2216908), (40, 1662681), (43, 1546680), (60, 1108454), (86, 773340), (120, 554227), (129, 515560), (172, 386670), (215, 309336), (258, 257780), (344, 193335), (430, 154668), (516, 128890), (645, 103112), (860, 77334), (1032, 64445), (1290, 51556), (1720, 38667), (2580, 25778), (5160, 12889)]