1642397640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1052819}}^1$

素因数の和:1052846

約数の個数: 64

約数和(自身を含む): 5306212800

約数和(自身を除く): 3663815160

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, 1052819, 2105638, 3158457, 4211276, 5264095, 6316914, 8422552, 10528190, 12633828, 13686647, 15792285, 21056380, 25267656, 27373294, 31584570, 41059941, 42112760, 54746588, 63169140, 68433235, 82119882, 109493176, 126338280, 136866470, 164239764, 205299705, 273732940, 328479528, 410599410, 547465880, 821198820, 1642397640]

約数ペア:

[(1, 1642397640), (2, 821198820), (3, 547465880), (4, 410599410), (5, 328479528), (6, 273732940), (8, 205299705), (10, 164239764), (12, 136866470), (13, 126338280), (15, 109493176), (20, 82119882), (24, 68433235), (26, 63169140), (30, 54746588), (39, 42112760), (40, 41059941), (52, 31584570), (60, 27373294), (65, 25267656), (78, 21056380), (104, 15792285), (120, 13686647), (130, 12633828), (156, 10528190), (195, 8422552), (260, 6316914), (312, 5264095), (390, 4211276), (520, 3158457), (780, 2105638), (1560, 1052819)]