125522820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1289}}^1$

素因数の和:1845

約数の個数: 72

約数和(自身を含む): 381752280

約数和(自身を除く): 256229460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 541, 1082, 1289, 1623, 2164, 2578, 2705, 3246, 3867, 4869, 5156, 5410, 6445, 6492, 7734, 8115, 9738, 10820, 11601, 12890, 15468, 16230, 19335, 19476, 23202, 24345, 25780, 32460, 38670, 46404, 48690, 58005, 77340, 97380, 116010, 232020, 697349, 1394698, 2092047, 2789396, 3486745, 4184094, 6276141, 6973490, 8368188, 10460235, 12552282, 13946980, 20920470, 25104564, 31380705, 41840940, 62761410, 125522820]

約数ペア:

[(1, 125522820), (2, 62761410), (3, 41840940), (4, 31380705), (5, 25104564), (6, 20920470), (9, 13946980), (10, 12552282), (12, 10460235), (15, 8368188), (18, 6973490), (20, 6276141), (30, 4184094), (36, 3486745), (45, 2789396), (60, 2092047), (90, 1394698), (180, 697349), (541, 232020), (1082, 116010), (1289, 97380), (1623, 77340), (2164, 58005), (2578, 48690), (2705, 46404), (3246, 38670), (3867, 32460), (4869, 25780), (5156, 24345), (5410, 23202), (6445, 19476), (6492, 19335), (7734, 16230), (8115, 15468), (9738, 12890), (10820, 11601)]