80271540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3457}}^1$

素因数の和:3518

約数の個数: 96

約数和(自身を含む): 255615360

約数和(自身を除く): 175343820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 172, 180, 215, 258, 270, 387, 430, 516, 540, 645, 774, 860, 1161, 1290, 1548, 1935, 2322, 2580, 3457, 3870, 4644, 5805, 6914, 7740, 10371, 11610, 13828, 17285, 20742, 23220, 31113, 34570, 41484, 51855, 62226, 69140, 93339, 103710, 124452, 148651, 155565, 186678, 207420, 297302, 311130, 373356, 445953, 466695, 594604, 622260, 743255, 891906, 933390, 1337859, 1486510, 1783812, 1866780, 2229765, 2675718, 2973020, 4013577, 4459530, 5351436, 6689295, 8027154, 8919060, 13378590, 16054308, 20067885, 26757180, 40135770, 80271540]

約数ペア:

[(1, 80271540), (2, 40135770), (3, 26757180), (4, 20067885), (5, 16054308), (6, 13378590), (9, 8919060), (10, 8027154), (12, 6689295), (15, 5351436), (18, 4459530), (20, 4013577), (27, 2973020), (30, 2675718), (36, 2229765), (43, 1866780), (45, 1783812), (54, 1486510), (60, 1337859), (86, 933390), (90, 891906), (108, 743255), (129, 622260), (135, 594604), (172, 466695), (180, 445953), (215, 373356), (258, 311130), (270, 297302), (387, 207420), (430, 186678), (516, 155565), (540, 148651), (645, 124452), (774, 103710), (860, 93339), (1161, 69140), (1290, 62226), (1548, 51855), (1935, 41484), (2322, 34570), (2580, 31113), (3457, 23220), (3870, 20742), (4644, 17285), (5805, 13828), (6914, 11610), (7740, 10371)]