788647980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{15971}}^1$

素因数の和:16806

約数の個数: 48

約数和(自身を含む): 2211035904

約数和(自身を除く): 1422387924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 823, 1646, 2469, 3292, 4115, 4938, 8230, 9876, 12345, 15971, 16460, 24690, 31942, 47913, 49380, 63884, 79855, 95826, 159710, 191652, 239565, 319420, 479130, 958260, 13144133, 26288266, 39432399, 52576532, 65720665, 78864798, 131441330, 157729596, 197161995, 262882660, 394323990, 788647980]

約数ペア:

[(1, 788647980), (2, 394323990), (3, 262882660), (4, 197161995), (5, 157729596), (6, 131441330), (10, 78864798), (12, 65720665), (15, 52576532), (20, 39432399), (30, 26288266), (60, 13144133), (823, 958260), (1646, 479130), (2469, 319420), (3292, 239565), (4115, 191652), (4938, 159710), (8230, 95826), (9876, 79855), (12345, 63884), (15971, 49380), (16460, 47913), (24690, 31942)]