80518788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{319519}}^1$

素因数の和:319536

約数の個数: 36

約数和(自身を含む): 232610560

約数和(自身を除く): 152091772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 319519, 639038, 958557, 1278076, 1917114, 2236633, 2875671, 3834228, 4473266, 5751342, 6709899, 8946532, 11502684, 13419798, 20129697, 26839596, 40259394, 80518788]

約数ペア:

[(1, 80518788), (2, 40259394), (3, 26839596), (4, 20129697), (6, 13419798), (7, 11502684), (9, 8946532), (12, 6709899), (14, 5751342), (18, 4473266), (21, 3834228), (28, 2875671), (36, 2236633), (42, 1917114), (63, 1278076), (84, 958557), (126, 639038), (252, 319519)]