161052780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{383459}}^1$

素因数の和:383478

約数の個数: 48

約数和(自身を含む): 515370240

約数和(自身を除く): 354317460

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, 383459, 766918, 1150377, 1533836, 1917295, 2300754, 2684213, 3834590, 4601508, 5368426, 5751885, 7669180, 8052639, 10736852, 11503770, 13421065, 16105278, 23007540, 26842130, 32210556, 40263195, 53684260, 80526390, 161052780]

約数ペア:

[(1, 161052780), (2, 80526390), (3, 53684260), (4, 40263195), (5, 32210556), (6, 26842130), (7, 23007540), (10, 16105278), (12, 13421065), (14, 11503770), (15, 10736852), (20, 8052639), (21, 7669180), (28, 5751885), (30, 5368426), (35, 4601508), (42, 3834590), (60, 2684213), (70, 2300754), (84, 1917295), (105, 1533836), (140, 1150377), (210, 766918), (420, 383459)]