15431480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 36741600

約数和(自身を除く): 21310120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 145, 212, 232, 251, 265, 290, 424, 502, 530, 580, 1004, 1060, 1160, 1255, 1537, 2008, 2120, 2510, 3074, 5020, 6148, 7279, 7685, 10040, 12296, 13303, 14558, 15370, 26606, 29116, 30740, 36395, 53212, 58232, 61480, 66515, 72790, 106424, 133030, 145580, 266060, 291160, 385787, 532120, 771574, 1543148, 1928935, 3086296, 3857870, 7715740, 15431480]

約数ペア:

[(1, 15431480), (2, 7715740), (4, 3857870), (5, 3086296), (8, 1928935), (10, 1543148), (20, 771574), (29, 532120), (40, 385787), (53, 291160), (58, 266060), (106, 145580), (116, 133030), (145, 106424), (212, 72790), (232, 66515), (251, 61480), (265, 58232), (290, 53212), (424, 36395), (502, 30740), (530, 29116), (580, 26606), (1004, 15370), (1060, 14558), (1160, 13303), (1255, 12296), (1537, 10040), (2008, 7685), (2120, 7279), (2510, 6148), (3074, 5020)]