12291255280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1\times {\mathrm{2111}}^1$

素因数の和:3194

約数の個数: 80

約数和(自身を含む): 29011428864

約数和(自身を除く): 16720173584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 997, 1168, 1460, 1994, 2111, 2920, 3988, 4222, 4985, 5840, 7976, 8444, 9970, 10555, 15952, 16888, 19940, 21110, 33776, 39880, 42220, 72781, 79760, 84440, 145562, 154103, 168880, 291124, 308206, 363905, 582248, 616412, 727810, 770515, 1164496, 1232824, 1455620, 1541030, 2104667, 2465648, 2911240, 3082060, 4209334, 5822480, 6164120, 8418668, 10523335, 12328240, 16837336, 21046670, 33674672, 42093340, 84186680, 153640691, 168373360, 307281382, 614562764, 768203455, 1229125528, 1536406910, 2458251056, 3072813820, 6145627640, 12291255280]

約数ペア:

[(1, 12291255280), (2, 6145627640), (4, 3072813820), (5, 2458251056), (8, 1536406910), (10, 1229125528), (16, 768203455), (20, 614562764), (40, 307281382), (73, 168373360), (80, 153640691), (146, 84186680), (292, 42093340), (365, 33674672), (584, 21046670), (730, 16837336), (997, 12328240), (1168, 10523335), (1460, 8418668), (1994, 6164120), (2111, 5822480), (2920, 4209334), (3988, 3082060), (4222, 2911240), (4985, 2465648), (5840, 2104667), (7976, 1541030), (8444, 1455620), (9970, 1232824), (10555, 1164496), (15952, 770515), (16888, 727810), (19940, 616412), (21110, 582248), (33776, 363905), (39880, 308206), (42220, 291124), (72781, 168880), (79760, 154103), (84440, 145562)]