1996680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2377}}^1$

素因数の和:2398

約数の個数: 64

約数和(自身を含む): 6848640

約数和(自身を除く): 4851960

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, 2377, 4754, 7131, 9508, 11885, 14262, 16639, 19016, 23770, 28524, 33278, 35655, 47540, 49917, 57048, 66556, 71310, 83195, 95080, 99834, 133112, 142620, 166390, 199668, 249585, 285240, 332780, 399336, 499170, 665560, 998340, 1996680]

約数ペア:

[(1, 1996680), (2, 998340), (3, 665560), (4, 499170), (5, 399336), (6, 332780), (7, 285240), (8, 249585), (10, 199668), (12, 166390), (14, 142620), (15, 133112), (20, 99834), (21, 95080), (24, 83195), (28, 71310), (30, 66556), (35, 57048), (40, 49917), (42, 47540), (56, 35655), (60, 33278), (70, 28524), (84, 23770), (105, 19016), (120, 16639), (140, 14262), (168, 11885), (210, 9508), (280, 7131), (420, 4754), (840, 2377)]