69898860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1511}}^1$

素因数の和:1783

約数の個数: 72

約数和(自身を含む): 212992416

約数和(自身を除く): 143093556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1511, 1542, 2313, 2570, 3022, 3084, 3855, 4533, 4626, 5140, 6044, 7555, 7710, 9066, 9252, 11565, 13599, 15110, 15420, 18132, 22665, 23130, 27198, 30220, 45330, 46260, 54396, 67995, 90660, 135990, 271980, 388327, 776654, 1164981, 1553308, 1941635, 2329962, 3494943, 3883270, 4659924, 5824905, 6989886, 7766540, 11649810, 13979772, 17474715, 23299620, 34949430, 69898860]

約数ペア:

[(1, 69898860), (2, 34949430), (3, 23299620), (4, 17474715), (5, 13979772), (6, 11649810), (9, 7766540), (10, 6989886), (12, 5824905), (15, 4659924), (18, 3883270), (20, 3494943), (30, 2329962), (36, 1941635), (45, 1553308), (60, 1164981), (90, 776654), (180, 388327), (257, 271980), (514, 135990), (771, 90660), (1028, 67995), (1285, 54396), (1511, 46260), (1542, 45330), (2313, 30220), (2570, 27198), (3022, 23130), (3084, 22665), (3855, 18132), (4533, 15420), (4626, 15110), (5140, 13599), (6044, 11565), (7555, 9252), (7710, 9066)]