138788880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1249}}^1$

素因数の和:1728

約数の個数: 80

約数和(自身を含む): 431520000

約数和(自身を除く): 292731120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 463, 926, 1249, 1389, 1852, 2315, 2498, 2778, 3704, 3747, 4630, 4996, 5556, 6245, 6945, 7408, 7494, 9260, 9992, 11112, 12490, 13890, 14988, 18520, 18735, 19984, 22224, 24980, 27780, 29976, 37040, 37470, 49960, 55560, 59952, 74940, 99920, 111120, 149880, 299760, 578287, 1156574, 1734861, 2313148, 2891435, 3469722, 4626296, 5782870, 6939444, 8674305, 9252592, 11565740, 13878888, 17348610, 23131480, 27757776, 34697220, 46262960, 69394440, 138788880]

約数ペア:

[(1, 138788880), (2, 69394440), (3, 46262960), (4, 34697220), (5, 27757776), (6, 23131480), (8, 17348610), (10, 13878888), (12, 11565740), (15, 9252592), (16, 8674305), (20, 6939444), (24, 5782870), (30, 4626296), (40, 3469722), (48, 2891435), (60, 2313148), (80, 1734861), (120, 1156574), (240, 578287), (463, 299760), (926, 149880), (1249, 111120), (1389, 99920), (1852, 74940), (2315, 59952), (2498, 55560), (2778, 49960), (3704, 37470), (3747, 37040), (4630, 29976), (4996, 27780), (5556, 24980), (6245, 22224), (6945, 19984), (7408, 18735), (7494, 18520), (9260, 14988), (9992, 13890), (11112, 12490)]