31350840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 101122560

約数和(自身を除く): 69771720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 307, 345, 370, 444, 460, 552, 555, 614, 690, 740, 851, 888, 920, 921, 1110, 1228, 1380, 1480, 1535, 1702, 1842, 2220, 2456, 2553, 2760, 3070, 3404, 3684, 4255, 4440, 4605, 5106, 6140, 6808, 7061, 7368, 8510, 9210, 10212, 11359, 12280, 12765, 14122, 17020, 18420, 20424, 21183, 22718, 25530, 28244, 34040, 34077, 35305, 36840, 42366, 45436, 51060, 56488, 56795, 68154, 70610, 84732, 90872, 102120, 105915, 113590, 136308, 141220, 169464, 170385, 211830, 227180, 261257, 272616, 282440, 340770, 423660, 454360, 522514, 681540, 783771, 847320, 1045028, 1306285, 1363080, 1567542, 2090056, 2612570, 3135084, 3918855, 5225140, 6270168, 7837710, 10450280, 15675420, 31350840]

約数ペア:

[(1, 31350840), (2, 15675420), (3, 10450280), (4, 7837710), (5, 6270168), (6, 5225140), (8, 3918855), (10, 3135084), (12, 2612570), (15, 2090056), (20, 1567542), (23, 1363080), (24, 1306285), (30, 1045028), (37, 847320), (40, 783771), (46, 681540), (60, 522514), (69, 454360), (74, 423660), (92, 340770), (111, 282440), (115, 272616), (120, 261257), (138, 227180), (148, 211830), (184, 170385), (185, 169464), (222, 141220), (230, 136308), (276, 113590), (296, 105915), (307, 102120), (345, 90872), (370, 84732), (444, 70610), (460, 68154), (552, 56795), (555, 56488), (614, 51060), (690, 45436), (740, 42366), (851, 36840), (888, 35305), (920, 34077), (921, 34040), (1110, 28244), (1228, 25530), (1380, 22718), (1480, 21183), (1535, 20424), (1702, 18420), (1842, 17020), (2220, 14122), (2456, 12765), (2553, 12280), (2760, 11359), (3070, 10212), (3404, 9210), (3684, 8510), (4255, 7368), (4440, 7061), (4605, 6808), (5106, 6140)]