28557720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3449}}^1$

素因数の和:3489

約数の個数: 96

約数和(自身を含む): 96876000

約数和(自身を除く): 68318280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 3449, 4140, 6898, 8280, 10347, 13796, 17245, 20694, 27592, 31041, 34490, 41388, 51735, 62082, 68980, 79327, 82776, 103470, 124164, 137960, 155205, 158654, 206940, 237981, 248328, 310410, 317308, 396635, 413880, 475962, 620820, 634616, 713943, 793270, 951924, 1189905, 1241640, 1427886, 1586540, 1903848, 2379810, 2855772, 3173080, 3569715, 4759620, 5711544, 7139430, 9519240, 14278860, 28557720]

約数ペア:

[(1, 28557720), (2, 14278860), (3, 9519240), (4, 7139430), (5, 5711544), (6, 4759620), (8, 3569715), (9, 3173080), (10, 2855772), (12, 2379810), (15, 1903848), (18, 1586540), (20, 1427886), (23, 1241640), (24, 1189905), (30, 951924), (36, 793270), (40, 713943), (45, 634616), (46, 620820), (60, 475962), (69, 413880), (72, 396635), (90, 317308), (92, 310410), (115, 248328), (120, 237981), (138, 206940), (180, 158654), (184, 155205), (207, 137960), (230, 124164), (276, 103470), (345, 82776), (360, 79327), (414, 68980), (460, 62082), (552, 51735), (690, 41388), (828, 34490), (920, 31041), (1035, 27592), (1380, 20694), (1656, 17245), (2070, 13796), (2760, 10347), (3449, 8280), (4140, 6898)]