68373840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{661}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 212772096

約数和(自身を除く): 144398256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 431, 661, 862, 1293, 1322, 1724, 1983, 2155, 2586, 2644, 3305, 3448, 3966, 4310, 5172, 5288, 6465, 6610, 6896, 7932, 8620, 9915, 10344, 10576, 12930, 13220, 15864, 17240, 19830, 20688, 25860, 26440, 31728, 34480, 39660, 51720, 52880, 79320, 103440, 158640, 284891, 569782, 854673, 1139564, 1424455, 1709346, 2279128, 2848910, 3418692, 4273365, 4558256, 5697820, 6837384, 8546730, 11395640, 13674768, 17093460, 22791280, 34186920, 68373840]

約数ペア:

[(1, 68373840), (2, 34186920), (3, 22791280), (4, 17093460), (5, 13674768), (6, 11395640), (8, 8546730), (10, 6837384), (12, 5697820), (15, 4558256), (16, 4273365), (20, 3418692), (24, 2848910), (30, 2279128), (40, 1709346), (48, 1424455), (60, 1139564), (80, 854673), (120, 569782), (240, 284891), (431, 158640), (661, 103440), (862, 79320), (1293, 52880), (1322, 51720), (1724, 39660), (1983, 34480), (2155, 31728), (2586, 26440), (2644, 25860), (3305, 20688), (3448, 19830), (3966, 17240), (4310, 15864), (5172, 13220), (5288, 12930), (6465, 10576), (6610, 10344), (6896, 9915), (7932, 8620)]