28156665180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{9577097}}^1$

素因数の和:9577123

約数の個数: 72

約数和(自身を含む): 91710290448

約数和(自身を除く): 63553625268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 9577097, 19154194, 28731291, 38308388, 47885485, 57462582, 67039679, 95770970, 114925164, 134079358, 143656455, 191541940, 201119037, 268158716, 287312910, 335198395, 402238074, 469277753, 574625820, 670396790, 804476148, 938555506, 1005595185, 1340793580, 1407833259, 1877111012, 2011190370, 2346388765, 2815666518, 4022380740, 4692777530, 5631333036, 7039166295, 9385555060, 14078332590, 28156665180]

約数ペア:

[(1, 28156665180), (2, 14078332590), (3, 9385555060), (4, 7039166295), (5, 5631333036), (6, 4692777530), (7, 4022380740), (10, 2815666518), (12, 2346388765), (14, 2011190370), (15, 1877111012), (20, 1407833259), (21, 1340793580), (28, 1005595185), (30, 938555506), (35, 804476148), (42, 670396790), (49, 574625820), (60, 469277753), (70, 402238074), (84, 335198395), (98, 287312910), (105, 268158716), (140, 201119037), (147, 191541940), (196, 143656455), (210, 134079358), (245, 114925164), (294, 95770970), (420, 67039679), (490, 57462582), (588, 47885485), (735, 38308388), (980, 28731291), (1470, 19154194), (2940, 9577097)]