220509240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262511}}^1$

素因数の和:262532

約数の個数: 64

約数和(自身を含む): 756034560

約数和(自身を除く): 535525320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 262511, 525022, 787533, 1050044, 1312555, 1575066, 1837577, 2100088, 2625110, 3150132, 3675154, 3937665, 5250220, 5512731, 6300264, 7350308, 7875330, 9187885, 10500440, 11025462, 14700616, 15750660, 18375770, 22050924, 27563655, 31501320, 36751540, 44101848, 55127310, 73503080, 110254620, 220509240]

約数ペア:

[(1, 220509240), (2, 110254620), (3, 73503080), (4, 55127310), (5, 44101848), (6, 36751540), (7, 31501320), (8, 27563655), (10, 22050924), (12, 18375770), (14, 15750660), (15, 14700616), (20, 11025462), (21, 10500440), (24, 9187885), (28, 7875330), (30, 7350308), (35, 6300264), (40, 5512731), (42, 5250220), (56, 3937665), (60, 3675154), (70, 3150132), (84, 2625110), (105, 2100088), (120, 1837577), (140, 1575066), (168, 1312555), (210, 1050044), (280, 787533), (420, 525022), (840, 262511)]