165949980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{395119}}^1$

素因数の和:395138

約数の個数: 48

約数和(自身を含む): 531041280

約数和(自身を除く): 365091300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 395119, 790238, 1185357, 1580476, 1975595, 2370714, 2765833, 3951190, 4741428, 5531666, 5926785, 7902380, 8297499, 11063332, 11853570, 13829165, 16594998, 23707140, 27658330, 33189996, 41487495, 55316660, 82974990, 165949980]

約数ペア:

[(1, 165949980), (2, 82974990), (3, 55316660), (4, 41487495), (5, 33189996), (6, 27658330), (7, 23707140), (10, 16594998), (12, 13829165), (14, 11853570), (15, 11063332), (20, 8297499), (21, 7902380), (28, 5926785), (30, 5531666), (35, 4741428), (42, 3951190), (60, 2765833), (70, 2370714), (84, 1975595), (105, 1580476), (140, 1185357), (210, 790238), (420, 395119)]