138439920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{941}}^1$

素因数の和:1570

約数の個数: 80

約数和(自身を含む): 430320672

約数和(自身を除く): 291880752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 613, 941, 1226, 1839, 1882, 2452, 2823, 3065, 3678, 3764, 4705, 4904, 5646, 6130, 7356, 7528, 9195, 9410, 9808, 11292, 12260, 14115, 14712, 15056, 18390, 18820, 22584, 24520, 28230, 29424, 36780, 37640, 45168, 49040, 56460, 73560, 75280, 112920, 147120, 225840, 576833, 1153666, 1730499, 2307332, 2884165, 3460998, 4614664, 5768330, 6921996, 8652495, 9229328, 11536660, 13843992, 17304990, 23073320, 27687984, 34609980, 46146640, 69219960, 138439920]

約数ペア:

[(1, 138439920), (2, 69219960), (3, 46146640), (4, 34609980), (5, 27687984), (6, 23073320), (8, 17304990), (10, 13843992), (12, 11536660), (15, 9229328), (16, 8652495), (20, 6921996), (24, 5768330), (30, 4614664), (40, 3460998), (48, 2884165), (60, 2307332), (80, 1730499), (120, 1153666), (240, 576833), (613, 225840), (941, 147120), (1226, 112920), (1839, 75280), (1882, 73560), (2452, 56460), (2823, 49040), (3065, 45168), (3678, 37640), (3764, 36780), (4705, 29424), (4904, 28230), (5646, 24520), (6130, 22584), (7356, 18820), (7528, 18390), (9195, 15056), (9410, 14712), (9808, 14115), (11292, 12260)]