15688728

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 160

約数和(自身を含む): 50181120

約数和(自身を除く): 34492392

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 31, 33, 36, 44, 54, 62, 66, 71, 72, 81, 88, 93, 99, 108, 124, 132, 142, 162, 186, 198, 213, 216, 248, 264, 279, 284, 297, 324, 341, 372, 396, 426, 558, 568, 594, 639, 648, 682, 744, 781, 792, 837, 852, 891, 1023, 1116, 1188, 1278, 1364, 1562, 1674, 1704, 1782, 1917, 2046, 2201, 2232, 2343, 2376, 2511, 2556, 2728, 3069, 3124, 3348, 3564, 3834, 4092, 4402, 4686, 5022, 5112, 5751, 6138, 6248, 6603, 6696, 7029, 7128, 7668, 8184, 8804, 9207, 9372, 10044, 11502, 12276, 13206, 14058, 15336, 17608, 18414, 18744, 19809, 20088, 21087, 23004, 24211, 24552, 26412, 27621, 28116, 36828, 39618, 42174, 46008, 48422, 52824, 55242, 56232, 59427, 63261, 72633, 73656, 79236, 84348, 96844, 110484, 118854, 126522, 145266, 158472, 168696, 178281, 193688, 217899, 220968, 237708, 253044, 290532, 356562, 435798, 475416, 506088, 581064, 653697, 713124, 871596, 1307394, 1426248, 1743192, 1961091, 2614788, 3922182, 5229576, 7844364, 15688728]

約数ペア:

[(1, 15688728), (2, 7844364), (3, 5229576), (4, 3922182), (6, 2614788), (8, 1961091), (9, 1743192), (11, 1426248), (12, 1307394), (18, 871596), (22, 713124), (24, 653697), (27, 581064), (31, 506088), (33, 475416), (36, 435798), (44, 356562), (54, 290532), (62, 253044), (66, 237708), (71, 220968), (72, 217899), (81, 193688), (88, 178281), (93, 168696), (99, 158472), (108, 145266), (124, 126522), (132, 118854), (142, 110484), (162, 96844), (186, 84348), (198, 79236), (213, 73656), (216, 72633), (248, 63261), (264, 59427), (279, 56232), (284, 55242), (297, 52824), (324, 48422), (341, 46008), (372, 42174), (396, 39618), (426, 36828), (558, 28116), (568, 27621), (594, 26412), (639, 24552), (648, 24211), (682, 23004), (744, 21087), (781, 20088), (792, 19809), (837, 18744), (852, 18414), (891, 17608), (1023, 15336), (1116, 14058), (1188, 13206), (1278, 12276), (1364, 11502), (1562, 10044), (1674, 9372), (1704, 9207), (1782, 8804), (1917, 8184), (2046, 7668), (2201, 7128), (2232, 7029), (2343, 6696), (2376, 6603), (2511, 6248), (2556, 6138), (2728, 5751), (3069, 5112), (3124, 5022), (3348, 4686), (3564, 4402), (3834, 4092)]