1657486680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{87977}}^1$

素因数の和:88148

約数の個数: 64

約数和(自身を含む): 5004188640

約数和(自身を除く): 3346701960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 18840, 87977, 175954, 263931, 351908, 439885, 527862, 703816, 879770, 1055724, 1319655, 1759540, 2111448, 2639310, 3519080, 5278620, 10557240, 13812389, 27624778, 41437167, 55249556, 69061945, 82874334, 110499112, 138123890, 165748668, 207185835, 276247780, 331497336, 414371670, 552495560, 828743340, 1657486680]

約数ペア:

[(1, 1657486680), (2, 828743340), (3, 552495560), (4, 414371670), (5, 331497336), (6, 276247780), (8, 207185835), (10, 165748668), (12, 138123890), (15, 110499112), (20, 82874334), (24, 69061945), (30, 55249556), (40, 41437167), (60, 27624778), (120, 13812389), (157, 10557240), (314, 5278620), (471, 3519080), (628, 2639310), (785, 2111448), (942, 1759540), (1256, 1319655), (1570, 1055724), (1884, 879770), (2355, 703816), (3140, 527862), (3768, 439885), (4710, 351908), (6280, 263931), (9420, 175954), (18840, 87977)]