28254672

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 120

約数和(自身を含む): 87048000

約数和(自身を除く): 58793328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 36, 38, 46, 48, 57, 69, 72, 76, 92, 114, 138, 144, 152, 171, 184, 207, 228, 276, 304, 342, 368, 414, 437, 449, 456, 552, 684, 828, 874, 898, 912, 1104, 1311, 1347, 1368, 1656, 1748, 1796, 2622, 2694, 2736, 3312, 3496, 3592, 3933, 4041, 5244, 5388, 6992, 7184, 7866, 8082, 8531, 10327, 10488, 10776, 15732, 16164, 17062, 20654, 20976, 21552, 25593, 30981, 31464, 32328, 34124, 41308, 51186, 61962, 62928, 64656, 68248, 76779, 82616, 92943, 102372, 123924, 136496, 153558, 165232, 185886, 196213, 204744, 247848, 307116, 371772, 392426, 409488, 495696, 588639, 614232, 743544, 784852, 1177278, 1228464, 1487088, 1569704, 1765917, 2354556, 3139408, 3531834, 4709112, 7063668, 9418224, 14127336, 28254672]

約数ペア:

[(1, 28254672), (2, 14127336), (3, 9418224), (4, 7063668), (6, 4709112), (8, 3531834), (9, 3139408), (12, 2354556), (16, 1765917), (18, 1569704), (19, 1487088), (23, 1228464), (24, 1177278), (36, 784852), (38, 743544), (46, 614232), (48, 588639), (57, 495696), (69, 409488), (72, 392426), (76, 371772), (92, 307116), (114, 247848), (138, 204744), (144, 196213), (152, 185886), (171, 165232), (184, 153558), (207, 136496), (228, 123924), (276, 102372), (304, 92943), (342, 82616), (368, 76779), (414, 68248), (437, 64656), (449, 62928), (456, 61962), (552, 51186), (684, 41308), (828, 34124), (874, 32328), (898, 31464), (912, 30981), (1104, 25593), (1311, 21552), (1347, 20976), (1368, 20654), (1656, 17062), (1748, 16164), (1796, 15732), (2622, 10776), (2694, 10488), (2736, 10327), (3312, 8531), (3496, 8082), (3592, 7866), (3933, 7184), (4041, 6992), (5244, 5388)]