655882020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{26597}}^1$

素因数の和:26749

約数の個数: 72

約数和(自身を含む): 2004106104

約数和(自身を除く): 1348224084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 4110, 4932, 6165, 8220, 12330, 24660, 26597, 53194, 79791, 106388, 132985, 159582, 239373, 265970, 319164, 398955, 478746, 531940, 797910, 957492, 1196865, 1595820, 2393730, 3643789, 4787460, 7287578, 10931367, 14575156, 18218945, 21862734, 32794101, 36437890, 43725468, 54656835, 65588202, 72875780, 109313670, 131176404, 163970505, 218627340, 327941010, 655882020]

約数ペア:

[(1, 655882020), (2, 327941010), (3, 218627340), (4, 163970505), (5, 131176404), (6, 109313670), (9, 72875780), (10, 65588202), (12, 54656835), (15, 43725468), (18, 36437890), (20, 32794101), (30, 21862734), (36, 18218945), (45, 14575156), (60, 10931367), (90, 7287578), (137, 4787460), (180, 3643789), (274, 2393730), (411, 1595820), (548, 1196865), (685, 957492), (822, 797910), (1233, 531940), (1370, 478746), (1644, 398955), (2055, 319164), (2466, 265970), (2740, 239373), (4110, 159582), (4932, 132985), (6165, 106388), (8220, 79791), (12330, 53194), (24660, 26597)]