12940980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 39965184

約数和(自身を除く): 27024204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 130, 141, 156, 188, 195, 235, 260, 282, 353, 390, 470, 564, 611, 705, 706, 780, 940, 1059, 1222, 1410, 1412, 1765, 1833, 2118, 2444, 2820, 3055, 3530, 3666, 4236, 4589, 5295, 6110, 7060, 7332, 9165, 9178, 10590, 12220, 13767, 16591, 18330, 18356, 21180, 22945, 27534, 33182, 36660, 45890, 49773, 55068, 66364, 68835, 82955, 91780, 99546, 137670, 165910, 199092, 215683, 248865, 275340, 331820, 431366, 497730, 647049, 862732, 995460, 1078415, 1294098, 2156830, 2588196, 3235245, 4313660, 6470490, 12940980]

約数ペア:

[(1, 12940980), (2, 6470490), (3, 4313660), (4, 3235245), (5, 2588196), (6, 2156830), (10, 1294098), (12, 1078415), (13, 995460), (15, 862732), (20, 647049), (26, 497730), (30, 431366), (39, 331820), (47, 275340), (52, 248865), (60, 215683), (65, 199092), (78, 165910), (94, 137670), (130, 99546), (141, 91780), (156, 82955), (188, 68835), (195, 66364), (235, 55068), (260, 49773), (282, 45890), (353, 36660), (390, 33182), (470, 27534), (564, 22945), (611, 21180), (705, 18356), (706, 18330), (780, 16591), (940, 13767), (1059, 12220), (1222, 10590), (1410, 9178), (1412, 9165), (1765, 7332), (1833, 7060), (2118, 6110), (2444, 5295), (2820, 4589), (3055, 4236), (3530, 3666)]