138686280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2971}}^1$

素因数の和:3374

約数の個数: 64

約数和(自身を含む): 417268800

約数和(自身を除く): 278582520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 1167, 1556, 1945, 2334, 2971, 3112, 3890, 4668, 5835, 5942, 7780, 8913, 9336, 11670, 11884, 14855, 15560, 17826, 23340, 23768, 29710, 35652, 44565, 46680, 59420, 71304, 89130, 118840, 178260, 356520, 1155719, 2311438, 3467157, 4622876, 5778595, 6934314, 9245752, 11557190, 13868628, 17335785, 23114380, 27737256, 34671570, 46228760, 69343140, 138686280]

約数ペア:

[(1, 138686280), (2, 69343140), (3, 46228760), (4, 34671570), (5, 27737256), (6, 23114380), (8, 17335785), (10, 13868628), (12, 11557190), (15, 9245752), (20, 6934314), (24, 5778595), (30, 4622876), (40, 3467157), (60, 2311438), (120, 1155719), (389, 356520), (778, 178260), (1167, 118840), (1556, 89130), (1945, 71304), (2334, 59420), (2971, 46680), (3112, 44565), (3890, 35652), (4668, 29710), (5835, 23768), (5942, 23340), (7780, 17826), (8913, 15560), (9336, 14855), (11670, 11884)]