79147240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 189734400

約数和(自身を除く): 110587160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 239, 340, 478, 487, 680, 956, 974, 1195, 1912, 1948, 2390, 2435, 3896, 4063, 4780, 4870, 8126, 8279, 9560, 9740, 16252, 16558, 19480, 20315, 32504, 33116, 40630, 41395, 66232, 81260, 82790, 116393, 162520, 165580, 232786, 331160, 465572, 581965, 931144, 1163930, 1978681, 2327860, 3957362, 4655720, 7914724, 9893405, 15829448, 19786810, 39573620, 79147240]

約数ペア:

[(1, 79147240), (2, 39573620), (4, 19786810), (5, 15829448), (8, 9893405), (10, 7914724), (17, 4655720), (20, 3957362), (34, 2327860), (40, 1978681), (68, 1163930), (85, 931144), (136, 581965), (170, 465572), (239, 331160), (340, 232786), (478, 165580), (487, 162520), (680, 116393), (956, 82790), (974, 81260), (1195, 66232), (1912, 41395), (1948, 40630), (2390, 33116), (2435, 32504), (3896, 20315), (4063, 19480), (4780, 16558), (4870, 16252), (8126, 9740), (8279, 9560)]