128678160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41243}}^1$

素因数の和:41272

約数の個数: 80

約数和(自身を含む): 429597504

約数和(自身を除く): 300919344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 41243, 82486, 123729, 164972, 206215, 247458, 329944, 412430, 494916, 536159, 618645, 659888, 824860, 989832, 1072318, 1237290, 1608477, 1649720, 1979664, 2144636, 2474580, 2680795, 3216954, 3299440, 4289272, 4949160, 5361590, 6433908, 8042385, 8578544, 9898320, 10723180, 12867816, 16084770, 21446360, 25735632, 32169540, 42892720, 64339080, 128678160]

約数ペア:

[(1, 128678160), (2, 64339080), (3, 42892720), (4, 32169540), (5, 25735632), (6, 21446360), (8, 16084770), (10, 12867816), (12, 10723180), (13, 9898320), (15, 8578544), (16, 8042385), (20, 6433908), (24, 5361590), (26, 4949160), (30, 4289272), (39, 3299440), (40, 3216954), (48, 2680795), (52, 2474580), (60, 2144636), (65, 1979664), (78, 1649720), (80, 1608477), (104, 1237290), (120, 1072318), (130, 989832), (156, 824860), (195, 659888), (208, 618645), (240, 536159), (260, 494916), (312, 412430), (390, 329944), (520, 247458), (624, 206215), (780, 164972), (1040, 123729), (1560, 82486), (3120, 41243)]