1339840

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 56

約数和(自身を含む): 3291840

約数和(自身を除く): 1952000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 79, 80, 106, 158, 160, 212, 265, 316, 320, 395, 424, 530, 632, 790, 848, 1060, 1264, 1580, 1696, 2120, 2528, 3160, 3392, 4187, 4240, 5056, 6320, 8374, 8480, 12640, 16748, 16960, 20935, 25280, 33496, 41870, 66992, 83740, 133984, 167480, 267968, 334960, 669920, 1339840]

約数ペア:

[(1, 1339840), (2, 669920), (4, 334960), (5, 267968), (8, 167480), (10, 133984), (16, 83740), (20, 66992), (32, 41870), (40, 33496), (53, 25280), (64, 20935), (79, 16960), (80, 16748), (106, 12640), (158, 8480), (160, 8374), (212, 6320), (265, 5056), (316, 4240), (320, 4187), (395, 3392), (424, 3160), (530, 2528), (632, 2120), (790, 1696), (848, 1580), (1060, 1264)]