1995698320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2551}}^1$

素因数の和:2709

約数の個数: 160

約数和(自身を含む): 5832769536

約数和(自身を除く): 3837071216

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 127, 140, 154, 176, 220, 254, 280, 308, 385, 440, 508, 560, 616, 635, 770, 880, 889, 1016, 1232, 1270, 1397, 1540, 1778, 2032, 2540, 2551, 2794, 3080, 3556, 4445, 5080, 5102, 5588, 6160, 6985, 7112, 8890, 9779, 10160, 10204, 11176, 12755, 13970, 14224, 17780, 17857, 19558, 20408, 22352, 25510, 27940, 28061, 35560, 35714, 39116, 40816, 48895, 51020, 55880, 56122, 71120, 71428, 78232, 89285, 97790, 102040, 111760, 112244, 140305, 142856, 156464, 178570, 195580, 196427, 204080, 224488, 280610, 285712, 323977, 357140, 391160, 392854, 448976, 561220, 647954, 714280, 782320, 785708, 982135, 1122440, 1295908, 1428560, 1571416, 1619885, 1964270, 2244880, 2267839, 2591816, 3142832, 3239770, 3563747, 3928540, 4535678, 5183632, 6479540, 7127494, 7857080, 9071356, 11339195, 12959080, 14254988, 15714160, 17818735, 18142712, 22678390, 24946229, 25918160, 28509976, 35637470, 36285424, 45356780, 49892458, 57019952, 71274940, 90713560, 99784916, 124731145, 142549880, 181427120, 199569832, 249462290, 285099760, 399139664, 498924580, 997849160, 1995698320]

約数ペア:

[(1, 1995698320), (2, 997849160), (4, 498924580), (5, 399139664), (7, 285099760), (8, 249462290), (10, 199569832), (11, 181427120), (14, 142549880), (16, 124731145), (20, 99784916), (22, 90713560), (28, 71274940), (35, 57019952), (40, 49892458), (44, 45356780), (55, 36285424), (56, 35637470), (70, 28509976), (77, 25918160), (80, 24946229), (88, 22678390), (110, 18142712), (112, 17818735), (127, 15714160), (140, 14254988), (154, 12959080), (176, 11339195), (220, 9071356), (254, 7857080), (280, 7127494), (308, 6479540), (385, 5183632), (440, 4535678), (508, 3928540), (560, 3563747), (616, 3239770), (635, 3142832), (770, 2591816), (880, 2267839), (889, 2244880), (1016, 1964270), (1232, 1619885), (1270, 1571416), (1397, 1428560), (1540, 1295908), (1778, 1122440), (2032, 982135), (2540, 785708), (2551, 782320), (2794, 714280), (3080, 647954), (3556, 561220), (4445, 448976), (5080, 392854), (5102, 391160), (5588, 357140), (6160, 323977), (6985, 285712), (7112, 280610), (8890, 224488), (9779, 204080), (10160, 196427), (10204, 195580), (11176, 178570), (12755, 156464), (13970, 142856), (14224, 140305), (17780, 112244), (17857, 111760), (19558, 102040), (20408, 97790), (22352, 89285), (25510, 78232), (27940, 71428), (28061, 71120), (35560, 56122), (35714, 55880), (39116, 51020), (40816, 48895)]