16812780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3547}}^1$

素因数の和:3638

約数の個数: 48

約数和(自身を含む): 47685120

約数和(自身を除く): 30872340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 3547, 4740, 7094, 10641, 14188, 17735, 21282, 35470, 42564, 53205, 70940, 106410, 212820, 280213, 560426, 840639, 1120852, 1401065, 1681278, 2802130, 3362556, 4203195, 5604260, 8406390, 16812780]

約数ペア:

[(1, 16812780), (2, 8406390), (3, 5604260), (4, 4203195), (5, 3362556), (6, 2802130), (10, 1681278), (12, 1401065), (15, 1120852), (20, 840639), (30, 560426), (60, 280213), (79, 212820), (158, 106410), (237, 70940), (316, 53205), (395, 42564), (474, 35470), (790, 21282), (948, 17735), (1185, 14188), (1580, 10641), (2370, 7094), (3547, 4740)]