645283260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{398323}}^1$

素因数の和:398344

約数の個数: 60

約数和(自身を含む): 2024282568

約数和(自身を除く): 1378999308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 398323, 796646, 1194969, 1593292, 1991615, 2389938, 3584907, 3983230, 4779876, 5974845, 7169814, 7966460, 10754721, 11949690, 14339628, 17924535, 21509442, 23899380, 32264163, 35849070, 43018884, 53773605, 64528326, 71698140, 107547210, 129056652, 161320815, 215094420, 322641630, 645283260]

約数ペア:

[(1, 645283260), (2, 322641630), (3, 215094420), (4, 161320815), (5, 129056652), (6, 107547210), (9, 71698140), (10, 64528326), (12, 53773605), (15, 43018884), (18, 35849070), (20, 32264163), (27, 23899380), (30, 21509442), (36, 17924535), (45, 14339628), (54, 11949690), (60, 10754721), (81, 7966460), (90, 7169814), (108, 5974845), (135, 4779876), (162, 3983230), (180, 3584907), (270, 2389938), (324, 1991615), (405, 1593292), (540, 1194969), (810, 796646), (1620, 398323)]