30151660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2797}}^1$

素因数の和:2831

約数の個数: 72

約数和(自身を含む): 80380944

約数和(自身を除く): 50229284

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 2797, 5390, 5594, 10780, 11188, 13985, 19579, 27970, 30767, 39158, 55940, 61534, 78316, 97895, 123068, 137053, 153835, 195790, 215369, 274106, 307670, 391580, 430738, 548212, 615340, 685265, 861476, 1076845, 1370530, 1507583, 2153690, 2741060, 3015166, 4307380, 6030332, 7537915, 15075830, 30151660]

約数ペア:

[(1, 30151660), (2, 15075830), (4, 7537915), (5, 6030332), (7, 4307380), (10, 3015166), (11, 2741060), (14, 2153690), (20, 1507583), (22, 1370530), (28, 1076845), (35, 861476), (44, 685265), (49, 615340), (55, 548212), (70, 430738), (77, 391580), (98, 307670), (110, 274106), (140, 215369), (154, 195790), (196, 153835), (220, 137053), (245, 123068), (308, 97895), (385, 78316), (490, 61534), (539, 55940), (770, 39158), (980, 30767), (1078, 27970), (1540, 19579), (2156, 13985), (2695, 11188), (2797, 10780), (5390, 5594)]