68167840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2521}}^1$

素因数の和:2562

約数の個数: 72

約数和(自身を含む): 174456828

約数和(自身を除く): 106288988

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2521, 2704, 3380, 5042, 5408, 6760, 10084, 12605, 13520, 20168, 25210, 27040, 32773, 40336, 50420, 65546, 80672, 100840, 131092, 163865, 201680, 262184, 327730, 403360, 426049, 524368, 655460, 852098, 1048736, 1310920, 1704196, 2130245, 2621840, 3408392, 4260490, 5243680, 6816784, 8520980, 13633568, 17041960, 34083920, 68167840]

約数ペア:

[(1, 68167840), (2, 34083920), (4, 17041960), (5, 13633568), (8, 8520980), (10, 6816784), (13, 5243680), (16, 4260490), (20, 3408392), (26, 2621840), (32, 2130245), (40, 1704196), (52, 1310920), (65, 1048736), (80, 852098), (104, 655460), (130, 524368), (160, 426049), (169, 403360), (208, 327730), (260, 262184), (338, 201680), (416, 163865), (520, 131092), (676, 100840), (845, 80672), (1040, 65546), (1352, 50420), (1690, 40336), (2080, 32773), (2521, 27040), (2704, 25210), (3380, 20168), (5042, 13520), (5408, 12605), (6760, 10084)]