248788140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^2\times {\mathrm{349}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 705070800

約数和(自身を除く): 456282660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 349, 436, 545, 654, 698, 1047, 1090, 1308, 1396, 1635, 1745, 2094, 2180, 3270, 3490, 4188, 5235, 6540, 6980, 10470, 11881, 20940, 23762, 35643, 38041, 47524, 59405, 71286, 76082, 114123, 118810, 142572, 152164, 178215, 190205, 228246, 237620, 356430, 380410, 456492, 570615, 712860, 760820, 1141230, 2282460, 4146469, 8292938, 12439407, 16585876, 20732345, 24878814, 41464690, 49757628, 62197035, 82929380, 124394070, 248788140]

約数ペア:

[(1, 248788140), (2, 124394070), (3, 82929380), (4, 62197035), (5, 49757628), (6, 41464690), (10, 24878814), (12, 20732345), (15, 16585876), (20, 12439407), (30, 8292938), (60, 4146469), (109, 2282460), (218, 1141230), (327, 760820), (349, 712860), (436, 570615), (545, 456492), (654, 380410), (698, 356430), (1047, 237620), (1090, 228246), (1308, 190205), (1396, 178215), (1635, 152164), (1745, 142572), (2094, 118810), (2180, 114123), (3270, 76082), (3490, 71286), (4188, 59405), (5235, 47524), (6540, 38041), (6980, 35643), (10470, 23762), (11881, 20940)]