77938980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185569}}^1$

素因数の和:185588

約数の個数: 48

約数和(自身を含む): 249406080

約数和(自身を除く): 171467100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 185569, 371138, 556707, 742276, 927845, 1113414, 1298983, 1855690, 2226828, 2597966, 2783535, 3711380, 3896949, 5195932, 5567070, 6494915, 7793898, 11134140, 12989830, 15587796, 19484745, 25979660, 38969490, 77938980]

約数ペア:

[(1, 77938980), (2, 38969490), (3, 25979660), (4, 19484745), (5, 15587796), (6, 12989830), (7, 11134140), (10, 7793898), (12, 6494915), (14, 5567070), (15, 5195932), (20, 3896949), (21, 3711380), (28, 2783535), (30, 2597966), (35, 2226828), (42, 1855690), (60, 1298983), (70, 1113414), (84, 927845), (105, 742276), (140, 556707), (210, 371138), (420, 185569)]