478140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 1444128

約数和(自身を除く): 965988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 613, 780, 1226, 1839, 2452, 3065, 3678, 6130, 7356, 7969, 9195, 12260, 15938, 18390, 23907, 31876, 36780, 39845, 47814, 79690, 95628, 119535, 159380, 239070, 478140]

約数ペア:

[(1, 478140), (2, 239070), (3, 159380), (4, 119535), (5, 95628), (6, 79690), (10, 47814), (12, 39845), (13, 36780), (15, 31876), (20, 23907), (26, 18390), (30, 15938), (39, 12260), (52, 9195), (60, 7969), (65, 7356), (78, 6130), (130, 3678), (156, 3065), (195, 2452), (260, 1839), (390, 1226), (613, 780)]