7873980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6907}}^1$

素因数の和:6938

約数の個数: 48

約数和(自身を含む): 23210880

約数和(自身を除く): 15336900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 6907, 13814, 20721, 27628, 34535, 41442, 69070, 82884, 103605, 131233, 138140, 207210, 262466, 393699, 414420, 524932, 656165, 787398, 1312330, 1574796, 1968495, 2624660, 3936990, 7873980]

約数ペア:

[(1, 7873980), (2, 3936990), (3, 2624660), (4, 1968495), (5, 1574796), (6, 1312330), (10, 787398), (12, 656165), (15, 524932), (19, 414420), (20, 393699), (30, 262466), (38, 207210), (57, 138140), (60, 131233), (76, 103605), (95, 82884), (114, 69070), (190, 41442), (228, 34535), (285, 27628), (380, 20721), (570, 13814), (1140, 6907)]