28651560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1483}}^1$

素因数の和:1527

約数の個数: 128

約数和(自身を含む): 102574080

約数和(自身を除く): 73922520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1483, 1610, 1932, 2415, 2760, 2966, 3220, 3864, 4449, 4830, 5932, 6440, 7415, 8898, 9660, 10381, 11864, 14830, 17796, 19320, 20762, 22245, 29660, 31143, 34109, 35592, 41524, 44490, 51905, 59320, 62286, 68218, 83048, 88980, 102327, 103810, 124572, 136436, 155715, 170545, 177960, 204654, 207620, 238763, 249144, 272872, 311430, 341090, 409308, 415240, 477526, 511635, 622860, 682180, 716289, 818616, 955052, 1023270, 1193815, 1245720, 1364360, 1432578, 1910104, 2046540, 2387630, 2865156, 3581445, 4093080, 4775260, 5730312, 7162890, 9550520, 14325780, 28651560]

約数ペア:

[(1, 28651560), (2, 14325780), (3, 9550520), (4, 7162890), (5, 5730312), (6, 4775260), (7, 4093080), (8, 3581445), (10, 2865156), (12, 2387630), (14, 2046540), (15, 1910104), (20, 1432578), (21, 1364360), (23, 1245720), (24, 1193815), (28, 1023270), (30, 955052), (35, 818616), (40, 716289), (42, 682180), (46, 622860), (56, 511635), (60, 477526), (69, 415240), (70, 409308), (84, 341090), (92, 311430), (105, 272872), (115, 249144), (120, 238763), (138, 207620), (140, 204654), (161, 177960), (168, 170545), (184, 155715), (210, 136436), (230, 124572), (276, 103810), (280, 102327), (322, 88980), (345, 83048), (420, 68218), (460, 62286), (483, 59320), (552, 51905), (644, 44490), (690, 41524), (805, 35592), (840, 34109), (920, 31143), (966, 29660), (1288, 22245), (1380, 20762), (1483, 19320), (1610, 17796), (1932, 14830), (2415, 11864), (2760, 10381), (2966, 9660), (3220, 8898), (3864, 7415), (4449, 6440), (4830, 5932)]