161090780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 345461760

約数和(自身を除く): 184370980

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 239, 268, 335, 478, 503, 670, 956, 1006, 1195, 1340, 2012, 2390, 2515, 4780, 5030, 10060, 16013, 32026, 33701, 64052, 67402, 80065, 120217, 134804, 160130, 168505, 240434, 320260, 337010, 480868, 601085, 674020, 1202170, 2404340, 8054539, 16109078, 32218156, 40272695, 80545390, 161090780]

約数ペア:

[(1, 161090780), (2, 80545390), (4, 40272695), (5, 32218156), (10, 16109078), (20, 8054539), (67, 2404340), (134, 1202170), (239, 674020), (268, 601085), (335, 480868), (478, 337010), (503, 320260), (670, 240434), (956, 168505), (1006, 160130), (1195, 134804), (1340, 120217), (2012, 80065), (2390, 67402), (2515, 64052), (4780, 33701), (5030, 32026), (10060, 16013)]