78127980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{186019}}^1$

素因数の和:186038

約数の個数: 48

約数和(自身を含む): 250010880

約数和(自身を除く): 171882900

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, 186019, 372038, 558057, 744076, 930095, 1116114, 1302133, 1860190, 2232228, 2604266, 2790285, 3720380, 3906399, 5208532, 5580570, 6510665, 7812798, 11161140, 13021330, 15625596, 19531995, 26042660, 39063990, 78127980]

約数ペア:

[(1, 78127980), (2, 39063990), (3, 26042660), (4, 19531995), (5, 15625596), (6, 13021330), (7, 11161140), (10, 7812798), (12, 6510665), (14, 5580570), (15, 5208532), (20, 3906399), (21, 3720380), (28, 2790285), (30, 2604266), (35, 2232228), (42, 1860190), (60, 1302133), (70, 1116114), (84, 930095), (105, 744076), (140, 558057), (210, 372038), (420, 186019)]