138316960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 347276160

約数和(自身を除く): 208959200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 173, 190, 263, 304, 346, 380, 526, 608, 692, 760, 865, 1052, 1315, 1384, 1520, 1730, 2104, 2630, 2768, 3040, 3287, 3460, 4208, 4997, 5260, 5536, 6574, 6920, 8416, 9994, 10520, 13148, 13840, 16435, 19988, 21040, 24985, 26296, 27680, 32870, 39976, 42080, 45499, 49970, 52592, 65740, 79952, 90998, 99940, 105184, 131480, 159904, 181996, 199880, 227495, 262960, 363992, 399760, 454990, 525920, 727984, 799520, 864481, 909980, 1455968, 1728962, 1819960, 3457924, 3639920, 4322405, 6915848, 7279840, 8644810, 13831696, 17289620, 27663392, 34579240, 69158480, 138316960]

約数ペア:

[(1, 138316960), (2, 69158480), (4, 34579240), (5, 27663392), (8, 17289620), (10, 13831696), (16, 8644810), (19, 7279840), (20, 6915848), (32, 4322405), (38, 3639920), (40, 3457924), (76, 1819960), (80, 1728962), (95, 1455968), (152, 909980), (160, 864481), (173, 799520), (190, 727984), (263, 525920), (304, 454990), (346, 399760), (380, 363992), (526, 262960), (608, 227495), (692, 199880), (760, 181996), (865, 159904), (1052, 131480), (1315, 105184), (1384, 99940), (1520, 90998), (1730, 79952), (2104, 65740), (2630, 52592), (2768, 49970), (3040, 45499), (3287, 42080), (3460, 39976), (4208, 32870), (4997, 27680), (5260, 26296), (5536, 24985), (6574, 21040), (6920, 19988), (8416, 16435), (9994, 13840), (10520, 13148)]