56421960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{67169}}^1$

素因数の和:67190

約数の個数: 64

約数和(自身を含む): 193449600

約数和(自身を除く): 137027640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 67169, 134338, 201507, 268676, 335845, 403014, 470183, 537352, 671690, 806028, 940366, 1007535, 1343380, 1410549, 1612056, 1880732, 2015070, 2350915, 2686760, 2821098, 3761464, 4030140, 4701830, 5642196, 7052745, 8060280, 9403660, 11284392, 14105490, 18807320, 28210980, 56421960]

約数ペア:

[(1, 56421960), (2, 28210980), (3, 18807320), (4, 14105490), (5, 11284392), (6, 9403660), (7, 8060280), (8, 7052745), (10, 5642196), (12, 4701830), (14, 4030140), (15, 3761464), (20, 2821098), (21, 2686760), (24, 2350915), (28, 2015070), (30, 1880732), (35, 1612056), (40, 1410549), (42, 1343380), (56, 1007535), (60, 940366), (70, 806028), (84, 671690), (105, 537352), (120, 470183), (140, 403014), (168, 335845), (210, 268676), (280, 201507), (420, 134338), (840, 67169)]