1257720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 3870720

約数和(自身を除く): 2613000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 223, 235, 282, 376, 446, 470, 564, 669, 705, 892, 940, 1115, 1128, 1338, 1410, 1784, 1880, 2230, 2676, 2820, 3345, 4460, 5352, 5640, 6690, 8920, 10481, 13380, 20962, 26760, 31443, 41924, 52405, 62886, 83848, 104810, 125772, 157215, 209620, 251544, 314430, 419240, 628860, 1257720]

約数ペア:

[(1, 1257720), (2, 628860), (3, 419240), (4, 314430), (5, 251544), (6, 209620), (8, 157215), (10, 125772), (12, 104810), (15, 83848), (20, 62886), (24, 52405), (30, 41924), (40, 31443), (47, 26760), (60, 20962), (94, 13380), (120, 10481), (141, 8920), (188, 6690), (223, 5640), (235, 5352), (282, 4460), (376, 3345), (446, 2820), (470, 2676), (564, 2230), (669, 1880), (705, 1784), (892, 1410), (940, 1338), (1115, 1128)]