78233480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 194477760

約数和(自身を除く): 116244280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 163, 169, 260, 284, 326, 338, 355, 520, 568, 652, 676, 710, 815, 845, 923, 1304, 1352, 1420, 1630, 1690, 1846, 2119, 2840, 3260, 3380, 3692, 4238, 4615, 6520, 6760, 7384, 8476, 9230, 10595, 11573, 11999, 16952, 18460, 21190, 23146, 23998, 27547, 36920, 42380, 46292, 47996, 55094, 57865, 59995, 84760, 92584, 95992, 110188, 115730, 119990, 137735, 150449, 220376, 231460, 239980, 275470, 300898, 462920, 479960, 550940, 601796, 752245, 1101880, 1203592, 1504490, 1955837, 3008980, 3911674, 6017960, 7823348, 9779185, 15646696, 19558370, 39116740, 78233480]

約数ペア:

[(1, 78233480), (2, 39116740), (4, 19558370), (5, 15646696), (8, 9779185), (10, 7823348), (13, 6017960), (20, 3911674), (26, 3008980), (40, 1955837), (52, 1504490), (65, 1203592), (71, 1101880), (104, 752245), (130, 601796), (142, 550940), (163, 479960), (169, 462920), (260, 300898), (284, 275470), (326, 239980), (338, 231460), (355, 220376), (520, 150449), (568, 137735), (652, 119990), (676, 115730), (710, 110188), (815, 95992), (845, 92584), (923, 84760), (1304, 59995), (1352, 57865), (1420, 55094), (1630, 47996), (1690, 46292), (1846, 42380), (2119, 36920), (2840, 27547), (3260, 23998), (3380, 23146), (3692, 21190), (4238, 18460), (4615, 16952), (6520, 11999), (6760, 11573), (7384, 10595), (8476, 9230)]