2012040

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{23}}^1$

素因数の和:55

約数の個数: 128

約数和(自身を含む): 7084800

約数和(自身を除く): 5072760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 243, 270, 276, 324, 345, 360, 405, 414, 460, 486, 540, 552, 621, 648, 690, 729, 810, 828, 920, 972, 1035, 1080, 1215, 1242, 1380, 1458, 1620, 1656, 1863, 1944, 2070, 2187, 2430, 2484, 2760, 2916, 3105, 3240, 3645, 3726, 4140, 4374, 4860, 4968, 5589, 5832, 6210, 7290, 7452, 8280, 8748, 9315, 9720, 10935, 11178, 12420, 14580, 14904, 16767, 17496, 18630, 21870, 22356, 24840, 27945, 29160, 33534, 37260, 43740, 44712, 50301, 55890, 67068, 74520, 83835, 87480, 100602, 111780, 134136, 167670, 201204, 223560, 251505, 335340, 402408, 503010, 670680, 1006020, 2012040]

約数ペア:

[(1, 2012040), (2, 1006020), (3, 670680), (4, 503010), (5, 402408), (6, 335340), (8, 251505), (9, 223560), (10, 201204), (12, 167670), (15, 134136), (18, 111780), (20, 100602), (23, 87480), (24, 83835), (27, 74520), (30, 67068), (36, 55890), (40, 50301), (45, 44712), (46, 43740), (54, 37260), (60, 33534), (69, 29160), (72, 27945), (81, 24840), (90, 22356), (92, 21870), (108, 18630), (115, 17496), (120, 16767), (135, 14904), (138, 14580), (162, 12420), (180, 11178), (184, 10935), (207, 9720), (216, 9315), (230, 8748), (243, 8280), (270, 7452), (276, 7290), (324, 6210), (345, 5832), (360, 5589), (405, 4968), (414, 4860), (460, 4374), (486, 4140), (540, 3726), (552, 3645), (621, 3240), (648, 3105), (690, 2916), (729, 2760), (810, 2484), (828, 2430), (920, 2187), (972, 2070), (1035, 1944), (1080, 1863), (1215, 1656), (1242, 1620), (1380, 1458)]