12290280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 39640320

約数和(自身を除く): 27350040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 73, 92, 115, 120, 122, 138, 146, 183, 184, 219, 230, 244, 276, 292, 305, 345, 365, 366, 438, 460, 488, 552, 584, 610, 690, 730, 732, 876, 915, 920, 1095, 1220, 1380, 1403, 1460, 1464, 1679, 1752, 1830, 2190, 2440, 2760, 2806, 2920, 3358, 3660, 4209, 4380, 4453, 5037, 5612, 6716, 7015, 7320, 8395, 8418, 8760, 8906, 10074, 11224, 13359, 13432, 14030, 16790, 16836, 17812, 20148, 21045, 22265, 25185, 26718, 28060, 33580, 33672, 35624, 40296, 42090, 44530, 50370, 53436, 56120, 66795, 67160, 84180, 89060, 100740, 102419, 106872, 133590, 168360, 178120, 201480, 204838, 267180, 307257, 409676, 512095, 534360, 614514, 819352, 1024190, 1229028, 1536285, 2048380, 2458056, 3072570, 4096760, 6145140, 12290280]

約数ペア:

[(1, 12290280), (2, 6145140), (3, 4096760), (4, 3072570), (5, 2458056), (6, 2048380), (8, 1536285), (10, 1229028), (12, 1024190), (15, 819352), (20, 614514), (23, 534360), (24, 512095), (30, 409676), (40, 307257), (46, 267180), (60, 204838), (61, 201480), (69, 178120), (73, 168360), (92, 133590), (115, 106872), (120, 102419), (122, 100740), (138, 89060), (146, 84180), (183, 67160), (184, 66795), (219, 56120), (230, 53436), (244, 50370), (276, 44530), (292, 42090), (305, 40296), (345, 35624), (365, 33672), (366, 33580), (438, 28060), (460, 26718), (488, 25185), (552, 22265), (584, 21045), (610, 20148), (690, 17812), (730, 16836), (732, 16790), (876, 14030), (915, 13432), (920, 13359), (1095, 11224), (1220, 10074), (1380, 8906), (1403, 8760), (1460, 8418), (1464, 8395), (1679, 7320), (1752, 7015), (1830, 6716), (2190, 5612), (2440, 5037), (2760, 4453), (2806, 4380), (2920, 4209), (3358, 3660)]