81414840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52189}}^1$

素因数の和:52216

約数の個数: 64

約数和(自身を含む): 263037600

約数和(自身を除く): 181622760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 52189, 104378, 156567, 208756, 260945, 313134, 417512, 521890, 626268, 678457, 782835, 1043780, 1252536, 1356914, 1565670, 2035371, 2087560, 2713828, 3131340, 3392285, 4070742, 5427656, 6262680, 6784570, 8141484, 10176855, 13569140, 16282968, 20353710, 27138280, 40707420, 81414840]

約数ペア:

[(1, 81414840), (2, 40707420), (3, 27138280), (4, 20353710), (5, 16282968), (6, 13569140), (8, 10176855), (10, 8141484), (12, 6784570), (13, 6262680), (15, 5427656), (20, 4070742), (24, 3392285), (26, 3131340), (30, 2713828), (39, 2087560), (40, 2035371), (52, 1565670), (60, 1356914), (65, 1252536), (78, 1043780), (104, 782835), (120, 678457), (130, 626268), (156, 521890), (195, 417512), (260, 313134), (312, 260945), (390, 208756), (520, 156567), (780, 104378), (1560, 52189)]