77979643720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{287239}}^1$

素因数の和:287878

約数の個数: 64

約数和(自身を含む): 191715465600

約数和(自身を除く): 113735821880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 617, 1234, 2468, 3085, 4936, 6170, 6787, 12340, 13574, 24680, 27148, 33935, 54296, 67870, 135740, 271480, 287239, 574478, 1148956, 1436195, 2297912, 2872390, 3159629, 5744780, 6319258, 11489560, 12638516, 15798145, 25277032, 31596290, 63192580, 126385160, 177226463, 354452926, 708905852, 886132315, 1417811704, 1772264630, 1949491093, 3544529260, 3898982186, 7089058520, 7797964372, 9747455465, 15595928744, 19494910930, 38989821860, 77979643720]

約数ペア:

[(1, 77979643720), (2, 38989821860), (4, 19494910930), (5, 15595928744), (8, 9747455465), (10, 7797964372), (11, 7089058520), (20, 3898982186), (22, 3544529260), (40, 1949491093), (44, 1772264630), (55, 1417811704), (88, 886132315), (110, 708905852), (220, 354452926), (440, 177226463), (617, 126385160), (1234, 63192580), (2468, 31596290), (3085, 25277032), (4936, 15798145), (6170, 12638516), (6787, 11489560), (12340, 6319258), (13574, 5744780), (24680, 3159629), (27148, 2872390), (33935, 2297912), (54296, 1436195), (67870, 1148956), (135740, 574478), (271480, 287239)]