138458280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26833}}^1$

素因数の和:26890

約数の個数: 64

約数和(自身を含む): 425050560

約数和(自身を除く): 286592280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 26833, 53666, 80499, 107332, 134165, 160998, 214664, 268330, 321996, 402495, 536660, 643992, 804990, 1073320, 1153819, 1609980, 2307638, 3219960, 3461457, 4615276, 5769095, 6922914, 9230552, 11538190, 13845828, 17307285, 23076380, 27691656, 34614570, 46152760, 69229140, 138458280]

約数ペア:

[(1, 138458280), (2, 69229140), (3, 46152760), (4, 34614570), (5, 27691656), (6, 23076380), (8, 17307285), (10, 13845828), (12, 11538190), (15, 9230552), (20, 6922914), (24, 5769095), (30, 4615276), (40, 3461457), (43, 3219960), (60, 2307638), (86, 1609980), (120, 1153819), (129, 1073320), (172, 804990), (215, 643992), (258, 536660), (344, 402495), (430, 321996), (516, 268330), (645, 214664), (860, 160998), (1032, 134165), (1290, 107332), (1720, 80499), (2580, 53666), (5160, 26833)]