139141980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17977}}^1$

素因数の和:18035

約数の個数: 72

約数和(自身を含む): 431903472

約数和(自身を除く): 292761492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 17977, 35954, 53931, 71908, 89885, 107862, 161793, 179770, 215724, 269655, 323586, 359540, 539310, 647172, 773011, 808965, 1078620, 1546022, 1617930, 2319033, 3092044, 3235860, 3865055, 4638066, 6957099, 7730110, 9276132, 11595165, 13914198, 15460220, 23190330, 27828396, 34785495, 46380660, 69570990, 139141980]

約数ペア:

[(1, 139141980), (2, 69570990), (3, 46380660), (4, 34785495), (5, 27828396), (6, 23190330), (9, 15460220), (10, 13914198), (12, 11595165), (15, 9276132), (18, 7730110), (20, 6957099), (30, 4638066), (36, 3865055), (43, 3235860), (45, 3092044), (60, 2319033), (86, 1617930), (90, 1546022), (129, 1078620), (172, 808965), (180, 773011), (215, 647172), (258, 539310), (387, 359540), (430, 323586), (516, 269655), (645, 215724), (774, 179770), (860, 161793), (1290, 107862), (1548, 89885), (1935, 71908), (2580, 53931), (3870, 35954), (7740, 17977)]