81535272

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1075

約数の個数: 128

約数和(自身を含む): 257913600

約数和(自身を除く): 176378328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 37, 39, 42, 52, 56, 74, 78, 84, 91, 104, 111, 148, 156, 168, 182, 222, 259, 273, 296, 312, 364, 444, 481, 518, 546, 728, 777, 888, 962, 1009, 1036, 1092, 1443, 1554, 1924, 2018, 2072, 2184, 2886, 3027, 3108, 3367, 3848, 4036, 5772, 6054, 6216, 6734, 7063, 8072, 10101, 11544, 12108, 13117, 13468, 14126, 20202, 21189, 24216, 26234, 26936, 28252, 37333, 39351, 40404, 42378, 52468, 56504, 74666, 78702, 80808, 84756, 91819, 104936, 111999, 149332, 157404, 169512, 183638, 223998, 261331, 275457, 298664, 314808, 367276, 447996, 485329, 522662, 550914, 734552, 783993, 895992, 970658, 1045324, 1101828, 1455987, 1567986, 1941316, 2090648, 2203656, 2911974, 3135972, 3397303, 3882632, 5823948, 6271944, 6794606, 10191909, 11647896, 13589212, 20383818, 27178424, 40767636, 81535272]

約数ペア:

[(1, 81535272), (2, 40767636), (3, 27178424), (4, 20383818), (6, 13589212), (7, 11647896), (8, 10191909), (12, 6794606), (13, 6271944), (14, 5823948), (21, 3882632), (24, 3397303), (26, 3135972), (28, 2911974), (37, 2203656), (39, 2090648), (42, 1941316), (52, 1567986), (56, 1455987), (74, 1101828), (78, 1045324), (84, 970658), (91, 895992), (104, 783993), (111, 734552), (148, 550914), (156, 522662), (168, 485329), (182, 447996), (222, 367276), (259, 314808), (273, 298664), (296, 275457), (312, 261331), (364, 223998), (444, 183638), (481, 169512), (518, 157404), (546, 149332), (728, 111999), (777, 104936), (888, 91819), (962, 84756), (1009, 80808), (1036, 78702), (1092, 74666), (1443, 56504), (1554, 52468), (1924, 42378), (2018, 40404), (2072, 39351), (2184, 37333), (2886, 28252), (3027, 26936), (3108, 26234), (3367, 24216), (3848, 21189), (4036, 20202), (5772, 14126), (6054, 13468), (6216, 13117), (6734, 12108), (7063, 11544), (8072, 10101)]