381749160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244711}}^1$

素因数の和:244738

約数の個数: 64

約数和(自身を含む): 1233348480

約数和(自身を除く): 851599320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 244711, 489422, 734133, 978844, 1223555, 1468266, 1957688, 2447110, 2936532, 3181243, 3670665, 4894220, 5873064, 6362486, 7341330, 9543729, 9788440, 12724972, 14682660, 15906215, 19087458, 25449944, 29365320, 31812430, 38174916, 47718645, 63624860, 76349832, 95437290, 127249720, 190874580, 381749160]

約数ペア:

[(1, 381749160), (2, 190874580), (3, 127249720), (4, 95437290), (5, 76349832), (6, 63624860), (8, 47718645), (10, 38174916), (12, 31812430), (13, 29365320), (15, 25449944), (20, 19087458), (24, 15906215), (26, 14682660), (30, 12724972), (39, 9788440), (40, 9543729), (52, 7341330), (60, 6362486), (65, 5873064), (78, 4894220), (104, 3670665), (120, 3181243), (130, 2936532), (156, 2447110), (195, 1957688), (260, 1468266), (312, 1223555), (390, 978844), (520, 734133), (780, 489422), (1560, 244711)]