1520449980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3620119}}^1$

素因数の和:3620138

約数の個数: 48

約数和(自身を含む): 4865441280

約数和(自身を除く): 3344991300

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, 3620119, 7240238, 10860357, 14480476, 18100595, 21720714, 25340833, 36201190, 43441428, 50681666, 54301785, 72402380, 76022499, 101363332, 108603570, 126704165, 152044998, 217207140, 253408330, 304089996, 380112495, 506816660, 760224990, 1520449980]

約数ペア:

[(1, 1520449980), (2, 760224990), (3, 506816660), (4, 380112495), (5, 304089996), (6, 253408330), (7, 217207140), (10, 152044998), (12, 126704165), (14, 108603570), (15, 101363332), (20, 76022499), (21, 72402380), (28, 54301785), (30, 50681666), (35, 43441428), (42, 36201190), (60, 25340833), (70, 21720714), (84, 18100595), (105, 14480476), (140, 10860357), (210, 7240238), (420, 3620119)]