201218080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{179659}}^1$

素因数の和:179681

約数の個数: 48

約数和(自身を含む): 543291840

約数和(自身を除く): 342073760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 179659, 359318, 718636, 898295, 1257613, 1437272, 1796590, 2515226, 2874544, 3593180, 5030452, 5749088, 6288065, 7186360, 10060904, 12576130, 14372720, 20121808, 25152260, 28745440, 40243616, 50304520, 100609040, 201218080]

約数ペア:

[(1, 201218080), (2, 100609040), (4, 50304520), (5, 40243616), (7, 28745440), (8, 25152260), (10, 20121808), (14, 14372720), (16, 12576130), (20, 10060904), (28, 7186360), (32, 6288065), (35, 5749088), (40, 5030452), (56, 3593180), (70, 2874544), (80, 2515226), (112, 1796590), (140, 1437272), (160, 1257613), (224, 898295), (280, 718636), (560, 359318), (1120, 179659)]