51105390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1493}}^1$

素因数の和:1673

約数の個数: 64

約数和(自身を含む): 141129216

約数和(自身を除く): 90023826

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 163, 210, 326, 489, 815, 978, 1141, 1493, 1630, 2282, 2445, 2986, 3423, 4479, 4890, 5705, 6846, 7465, 8958, 10451, 11410, 14930, 17115, 20902, 22395, 31353, 34230, 44790, 52255, 62706, 104510, 156765, 243359, 313530, 486718, 730077, 1216795, 1460154, 1703513, 2433590, 3407026, 3650385, 5110539, 7300770, 8517565, 10221078, 17035130, 25552695, 51105390]

約数ペア:

[(1, 51105390), (2, 25552695), (3, 17035130), (5, 10221078), (6, 8517565), (7, 7300770), (10, 5110539), (14, 3650385), (15, 3407026), (21, 2433590), (30, 1703513), (35, 1460154), (42, 1216795), (70, 730077), (105, 486718), (163, 313530), (210, 243359), (326, 156765), (489, 104510), (815, 62706), (978, 52255), (1141, 44790), (1493, 34230), (1630, 31353), (2282, 22395), (2445, 20902), (2986, 17115), (3423, 14930), (4479, 11410), (4890, 10451), (5705, 8958), (6846, 7465)]