81916128

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:429

約数の個数: 144

約数和(自身を含む): 268894080

約数和(自身を除く): 186977952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 179, 224, 227, 252, 288, 336, 358, 454, 504, 537, 672, 681, 716, 908, 1008, 1074, 1253, 1362, 1432, 1589, 1611, 1816, 2016, 2043, 2148, 2506, 2724, 2864, 3178, 3222, 3632, 3759, 4086, 4296, 4767, 5012, 5448, 5728, 6356, 6444, 7264, 7518, 8172, 8592, 9534, 10024, 10896, 11277, 12712, 12888, 14301, 15036, 16344, 17184, 19068, 20048, 21792, 22554, 25424, 25776, 28602, 30072, 32688, 38136, 40096, 40633, 45108, 50848, 51552, 57204, 60144, 65376, 76272, 81266, 90216, 114408, 120288, 121899, 152544, 162532, 180432, 228816, 243798, 284431, 325064, 360864, 365697, 457632, 487596, 568862, 650128, 731394, 853293, 975192, 1137724, 1300256, 1462788, 1706586, 1950384, 2275448, 2559879, 2925576, 3413172, 3900768, 4550896, 5119758, 5851152, 6826344, 9101792, 10239516, 11702304, 13652688, 20479032, 27305376, 40958064, 81916128]

約数ペア:

[(1, 81916128), (2, 40958064), (3, 27305376), (4, 20479032), (6, 13652688), (7, 11702304), (8, 10239516), (9, 9101792), (12, 6826344), (14, 5851152), (16, 5119758), (18, 4550896), (21, 3900768), (24, 3413172), (28, 2925576), (32, 2559879), (36, 2275448), (42, 1950384), (48, 1706586), (56, 1462788), (63, 1300256), (72, 1137724), (84, 975192), (96, 853293), (112, 731394), (126, 650128), (144, 568862), (168, 487596), (179, 457632), (224, 365697), (227, 360864), (252, 325064), (288, 284431), (336, 243798), (358, 228816), (454, 180432), (504, 162532), (537, 152544), (672, 121899), (681, 120288), (716, 114408), (908, 90216), (1008, 81266), (1074, 76272), (1253, 65376), (1362, 60144), (1432, 57204), (1589, 51552), (1611, 50848), (1816, 45108), (2016, 40633), (2043, 40096), (2148, 38136), (2506, 32688), (2724, 30072), (2864, 28602), (3178, 25776), (3222, 25424), (3632, 22554), (3759, 21792), (4086, 20048), (4296, 19068), (4767, 17184), (5012, 16344), (5448, 15036), (5728, 14301), (6356, 12888), (6444, 12712), (7264, 11277), (7518, 10896), (8172, 10024), (8592, 9534)]