1908660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2472

約数の個数: 48

約数和(自身を含む): 5757696

約数和(自身を除く): 3849036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2447, 4894, 7341, 9788, 12235, 14682, 24470, 29364, 31811, 36705, 48940, 63622, 73410, 95433, 127244, 146820, 159055, 190866, 318110, 381732, 477165, 636220, 954330, 1908660]

約数ペア:

[(1, 1908660), (2, 954330), (3, 636220), (4, 477165), (5, 381732), (6, 318110), (10, 190866), (12, 159055), (13, 146820), (15, 127244), (20, 95433), (26, 73410), (30, 63622), (39, 48940), (52, 36705), (60, 31811), (65, 29364), (78, 24470), (130, 14682), (156, 12235), (195, 9788), (260, 7341), (390, 4894), (780, 2447)]