17123920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 46012680

約数和(自身を除く): 28888760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 61, 80, 88, 110, 116, 121, 122, 145, 176, 220, 232, 242, 244, 290, 305, 319, 440, 464, 484, 488, 580, 605, 610, 638, 671, 880, 968, 976, 1160, 1210, 1220, 1276, 1342, 1595, 1769, 1936, 2320, 2420, 2440, 2552, 2684, 3190, 3355, 3509, 3538, 4840, 4880, 5104, 5368, 6380, 6710, 7018, 7076, 7381, 8845, 9680, 10736, 12760, 13420, 14036, 14152, 14762, 17545, 17690, 19459, 25520, 26840, 28072, 28304, 29524, 35090, 35380, 36905, 38918, 53680, 56144, 59048, 70180, 70760, 73810, 77836, 97295, 118096, 140360, 141520, 147620, 155672, 194590, 214049, 280720, 295240, 311344, 389180, 428098, 590480, 778360, 856196, 1070245, 1556720, 1712392, 2140490, 3424784, 4280980, 8561960, 17123920]

約数ペア:

[(1, 17123920), (2, 8561960), (4, 4280980), (5, 3424784), (8, 2140490), (10, 1712392), (11, 1556720), (16, 1070245), (20, 856196), (22, 778360), (29, 590480), (40, 428098), (44, 389180), (55, 311344), (58, 295240), (61, 280720), (80, 214049), (88, 194590), (110, 155672), (116, 147620), (121, 141520), (122, 140360), (145, 118096), (176, 97295), (220, 77836), (232, 73810), (242, 70760), (244, 70180), (290, 59048), (305, 56144), (319, 53680), (440, 38918), (464, 36905), (484, 35380), (488, 35090), (580, 29524), (605, 28304), (610, 28072), (638, 26840), (671, 25520), (880, 19459), (968, 17690), (976, 17545), (1160, 14762), (1210, 14152), (1220, 14036), (1276, 13420), (1342, 12760), (1595, 10736), (1769, 9680), (1936, 8845), (2320, 7381), (2420, 7076), (2440, 7018), (2552, 6710), (2684, 6380), (3190, 5368), (3355, 5104), (3509, 4880), (3538, 4840)]