2223760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:69

約数の個数: 120

約数和(自身を含む): 6803136

約数和(自身を除く): 4579376

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 176, 190, 209, 220, 266, 280, 304, 308, 361, 380, 385, 418, 440, 532, 560, 616, 665, 722, 760, 770, 836, 880, 1045, 1064, 1232, 1330, 1444, 1463, 1520, 1540, 1672, 1805, 2090, 2128, 2527, 2660, 2888, 2926, 3080, 3344, 3610, 3971, 4180, 5054, 5320, 5776, 5852, 6160, 7220, 7315, 7942, 8360, 10108, 10640, 11704, 12635, 14440, 14630, 15884, 16720, 19855, 20216, 23408, 25270, 27797, 28880, 29260, 31768, 39710, 40432, 50540, 55594, 58520, 63536, 79420, 101080, 111188, 117040, 138985, 158840, 202160, 222376, 277970, 317680, 444752, 555940, 1111880, 2223760]

約数ペア:

[(1, 2223760), (2, 1111880), (4, 555940), (5, 444752), (7, 317680), (8, 277970), (10, 222376), (11, 202160), (14, 158840), (16, 138985), (19, 117040), (20, 111188), (22, 101080), (28, 79420), (35, 63536), (38, 58520), (40, 55594), (44, 50540), (55, 40432), (56, 39710), (70, 31768), (76, 29260), (77, 28880), (80, 27797), (88, 25270), (95, 23408), (110, 20216), (112, 19855), (133, 16720), (140, 15884), (152, 14630), (154, 14440), (176, 12635), (190, 11704), (209, 10640), (220, 10108), (266, 8360), (280, 7942), (304, 7315), (308, 7220), (361, 6160), (380, 5852), (385, 5776), (418, 5320), (440, 5054), (532, 4180), (560, 3971), (616, 3610), (665, 3344), (722, 3080), (760, 2926), (770, 2888), (836, 2660), (880, 2527), (1045, 2128), (1064, 2090), (1232, 1805), (1330, 1672), (1444, 1540), (1463, 1520)]