15204031280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{20407}}^1$

素因数の和:20626

約数の個数: 80

約数和(自身を含む): 36136853760

約数和(自身を除く): 20932822480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 139, 268, 278, 335, 536, 556, 670, 695, 1072, 1112, 1340, 1390, 2224, 2680, 2780, 5360, 5560, 9313, 11120, 18626, 20407, 37252, 40814, 46565, 74504, 81628, 93130, 102035, 149008, 163256, 186260, 204070, 326512, 372520, 408140, 745040, 816280, 1367269, 1632560, 2734538, 2836573, 5469076, 5673146, 6836345, 10938152, 11346292, 13672690, 14182865, 21876304, 22692584, 27345380, 28365730, 45385168, 54690760, 56731460, 109381520, 113462920, 190050391, 226925840, 380100782, 760201564, 950251955, 1520403128, 1900503910, 3040806256, 3801007820, 7602015640, 15204031280]

約数ペア:

[(1, 15204031280), (2, 7602015640), (4, 3801007820), (5, 3040806256), (8, 1900503910), (10, 1520403128), (16, 950251955), (20, 760201564), (40, 380100782), (67, 226925840), (80, 190050391), (134, 113462920), (139, 109381520), (268, 56731460), (278, 54690760), (335, 45385168), (536, 28365730), (556, 27345380), (670, 22692584), (695, 21876304), (1072, 14182865), (1112, 13672690), (1340, 11346292), (1390, 10938152), (2224, 6836345), (2680, 5673146), (2780, 5469076), (5360, 2836573), (5560, 2734538), (9313, 1632560), (11120, 1367269), (18626, 816280), (20407, 745040), (37252, 408140), (40814, 372520), (46565, 326512), (74504, 204070), (81628, 186260), (93130, 163256), (102035, 149008)]