56709660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19289}}^1$

素因数の和:19315

約数の個数: 72

約数和(自身を含む): 184721040

約数和(自身を除く): 128011380

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, 19289, 38578, 57867, 77156, 96445, 115734, 135023, 192890, 231468, 270046, 289335, 385780, 405069, 540092, 578670, 675115, 810138, 945161, 1157340, 1350230, 1620276, 1890322, 2025345, 2700460, 2835483, 3780644, 4050690, 4725805, 5670966, 8101380, 9451610, 11341932, 14177415, 18903220, 28354830, 56709660]

約数ペア:

[(1, 56709660), (2, 28354830), (3, 18903220), (4, 14177415), (5, 11341932), (6, 9451610), (7, 8101380), (10, 5670966), (12, 4725805), (14, 4050690), (15, 3780644), (20, 2835483), (21, 2700460), (28, 2025345), (30, 1890322), (35, 1620276), (42, 1350230), (49, 1157340), (60, 945161), (70, 810138), (84, 675115), (98, 578670), (105, 540092), (140, 405069), (147, 385780), (196, 289335), (210, 270046), (245, 231468), (294, 192890), (420, 135023), (490, 115734), (588, 96445), (735, 77156), (980, 57867), (1470, 38578), (2940, 19289)]