388656540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{1637}}^1$

素因数の和:2971

約数の個数: 72

約数和(自身を含む): 1180539360

約数和(自身を除く): 791882820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1319, 1637, 2638, 3274, 3957, 4911, 5276, 6548, 6595, 7914, 8185, 9822, 11871, 13190, 14733, 15828, 16370, 19644, 19785, 23742, 24555, 26380, 29466, 32740, 39570, 47484, 49110, 58932, 59355, 73665, 79140, 98220, 118710, 147330, 237420, 294660, 2159203, 4318406, 6477609, 8636812, 10796015, 12955218, 19432827, 21592030, 25910436, 32388045, 38865654, 43184060, 64776090, 77731308, 97164135, 129552180, 194328270, 388656540]

約数ペア:

[(1, 388656540), (2, 194328270), (3, 129552180), (4, 97164135), (5, 77731308), (6, 64776090), (9, 43184060), (10, 38865654), (12, 32388045), (15, 25910436), (18, 21592030), (20, 19432827), (30, 12955218), (36, 10796015), (45, 8636812), (60, 6477609), (90, 4318406), (180, 2159203), (1319, 294660), (1637, 237420), (2638, 147330), (3274, 118710), (3957, 98220), (4911, 79140), (5276, 73665), (6548, 59355), (6595, 58932), (7914, 49110), (8185, 47484), (9822, 39570), (11871, 32740), (13190, 29466), (14733, 26380), (15828, 24555), (16370, 23742), (19644, 19785)]