161790840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{449419}}^1$

素因数の和:449436

約数の個数: 48

約数和(自身を含む): 525821400

約数和(自身を除く): 364030560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 449419, 898838, 1348257, 1797676, 2247095, 2696514, 3595352, 4044771, 4494190, 5393028, 6741285, 8089542, 8988380, 10786056, 13482570, 16179084, 17976760, 20223855, 26965140, 32358168, 40447710, 53930280, 80895420, 161790840]

約数ペア:

[(1, 161790840), (2, 80895420), (3, 53930280), (4, 40447710), (5, 32358168), (6, 26965140), (8, 20223855), (9, 17976760), (10, 16179084), (12, 13482570), (15, 10786056), (18, 8988380), (20, 8089542), (24, 6741285), (30, 5393028), (36, 4494190), (40, 4044771), (45, 3595352), (60, 2696514), (72, 2247095), (90, 1797676), (120, 1348257), (180, 898838), (360, 449419)]