28815420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2683}}^1$

素因数の和:2874

約数の個数: 48

約数和(自身を含む): 81164160

約数和(自身を除く): 52348740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 2148, 2683, 2685, 3580, 5366, 5370, 8049, 10732, 10740, 13415, 16098, 26830, 32196, 40245, 53660, 80490, 160980, 480257, 960514, 1440771, 1921028, 2401285, 2881542, 4802570, 5763084, 7203855, 9605140, 14407710, 28815420]

約数ペア:

[(1, 28815420), (2, 14407710), (3, 9605140), (4, 7203855), (5, 5763084), (6, 4802570), (10, 2881542), (12, 2401285), (15, 1921028), (20, 1440771), (30, 960514), (60, 480257), (179, 160980), (358, 80490), (537, 53660), (716, 40245), (895, 32196), (1074, 26830), (1790, 16098), (2148, 13415), (2683, 10740), (2685, 10732), (3580, 8049), (5366, 5370)]