77648040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{215689}}^1$

素因数の和:215706

約数の個数: 48

約数和(自身を含む): 252357300

約数和(自身を除く): 174709260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 215689, 431378, 647067, 862756, 1078445, 1294134, 1725512, 1941201, 2156890, 2588268, 3235335, 3882402, 4313780, 5176536, 6470670, 7764804, 8627560, 9706005, 12941340, 15529608, 19412010, 25882680, 38824020, 77648040]

約数ペア:

[(1, 77648040), (2, 38824020), (3, 25882680), (4, 19412010), (5, 15529608), (6, 12941340), (8, 9706005), (9, 8627560), (10, 7764804), (12, 6470670), (15, 5176536), (18, 4313780), (20, 3882402), (24, 3235335), (30, 2588268), (36, 2156890), (40, 1941201), (45, 1725512), (60, 1294134), (72, 1078445), (90, 862756), (120, 647067), (180, 431378), (360, 215689)]