123379380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22111}}^1$

素因数の和:22157

約数の個数: 72

約数和(自身を含む): 386340864

約数和(自身を除く): 262961484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 22111, 44222, 66333, 88444, 110555, 132666, 198999, 221110, 265332, 331665, 397998, 442220, 663330, 685441, 795996, 994995, 1326660, 1370882, 1989990, 2056323, 2741764, 3427205, 3979980, 4112646, 6168969, 6854410, 8225292, 10281615, 12337938, 13708820, 20563230, 24675876, 30844845, 41126460, 61689690, 123379380]

約数ペア:

[(1, 123379380), (2, 61689690), (3, 41126460), (4, 30844845), (5, 24675876), (6, 20563230), (9, 13708820), (10, 12337938), (12, 10281615), (15, 8225292), (18, 6854410), (20, 6168969), (30, 4112646), (31, 3979980), (36, 3427205), (45, 2741764), (60, 2056323), (62, 1989990), (90, 1370882), (93, 1326660), (124, 994995), (155, 795996), (180, 685441), (186, 663330), (279, 442220), (310, 397998), (372, 331665), (465, 265332), (558, 221110), (620, 198999), (930, 132666), (1116, 110555), (1395, 88444), (1860, 66333), (2790, 44222), (5580, 22111)]