644961360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{2393}}^1$

素因数の和:3532

約数の個数: 80

約数和(自身を含む): 2001996864

約数和(自身を除く): 1357035504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1123, 2246, 2393, 3369, 4492, 4786, 5615, 6738, 7179, 8984, 9572, 11230, 11965, 13476, 14358, 16845, 17968, 19144, 22460, 23930, 26952, 28716, 33690, 35895, 38288, 44920, 47860, 53904, 57432, 67380, 71790, 89840, 95720, 114864, 134760, 143580, 191440, 269520, 287160, 574320, 2687339, 5374678, 8062017, 10749356, 13436695, 16124034, 21498712, 26873390, 32248068, 40310085, 42997424, 53746780, 64496136, 80620170, 107493560, 128992272, 161240340, 214987120, 322480680, 644961360]

約数ペア:

[(1, 644961360), (2, 322480680), (3, 214987120), (4, 161240340), (5, 128992272), (6, 107493560), (8, 80620170), (10, 64496136), (12, 53746780), (15, 42997424), (16, 40310085), (20, 32248068), (24, 26873390), (30, 21498712), (40, 16124034), (48, 13436695), (60, 10749356), (80, 8062017), (120, 5374678), (240, 2687339), (1123, 574320), (2246, 287160), (2393, 269520), (3369, 191440), (4492, 143580), (4786, 134760), (5615, 114864), (6738, 95720), (7179, 89840), (8984, 71790), (9572, 67380), (11230, 57432), (11965, 53904), (13476, 47860), (14358, 44920), (16845, 38288), (17968, 35895), (19144, 33690), (22460, 28716), (23930, 26952)]