82730620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 217183680

約数和(自身を除く): 134453060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 41, 49, 58, 70, 71, 82, 98, 116, 140, 142, 145, 164, 196, 203, 205, 245, 284, 287, 290, 355, 406, 410, 490, 497, 574, 580, 710, 812, 820, 980, 994, 1015, 1148, 1189, 1420, 1421, 1435, 1988, 2009, 2030, 2059, 2378, 2485, 2842, 2870, 2911, 3479, 4018, 4060, 4118, 4756, 4970, 5684, 5740, 5822, 5945, 6958, 7105, 8036, 8236, 8323, 9940, 10045, 10295, 11644, 11890, 13916, 14210, 14413, 14555, 16646, 17395, 20090, 20377, 20590, 23780, 28420, 28826, 29110, 33292, 34790, 40180, 40754, 41180, 41615, 57652, 58220, 58261, 69580, 72065, 81508, 83230, 84419, 100891, 101885, 116522, 142639, 144130, 166460, 168838, 201782, 203770, 233044, 285278, 288260, 291305, 337676, 403564, 407540, 422095, 504455, 570556, 582610, 590933, 713195, 844190, 1008910, 1165220, 1181866, 1426390, 1688380, 2017820, 2363732, 2852780, 2954665, 4136531, 5909330, 8273062, 11818660, 16546124, 20682655, 41365310, 82730620]

約数ペア:

[(1, 82730620), (2, 41365310), (4, 20682655), (5, 16546124), (7, 11818660), (10, 8273062), (14, 5909330), (20, 4136531), (28, 2954665), (29, 2852780), (35, 2363732), (41, 2017820), (49, 1688380), (58, 1426390), (70, 1181866), (71, 1165220), (82, 1008910), (98, 844190), (116, 713195), (140, 590933), (142, 582610), (145, 570556), (164, 504455), (196, 422095), (203, 407540), (205, 403564), (245, 337676), (284, 291305), (287, 288260), (290, 285278), (355, 233044), (406, 203770), (410, 201782), (490, 168838), (497, 166460), (574, 144130), (580, 142639), (710, 116522), (812, 101885), (820, 100891), (980, 84419), (994, 83230), (1015, 81508), (1148, 72065), (1189, 69580), (1420, 58261), (1421, 58220), (1435, 57652), (1988, 41615), (2009, 41180), (2030, 40754), (2059, 40180), (2378, 34790), (2485, 33292), (2842, 29110), (2870, 28826), (2911, 28420), (3479, 23780), (4018, 20590), (4060, 20377), (4118, 20090), (4756, 17395), (4970, 16646), (5684, 14555), (5740, 14413), (5822, 14210), (5945, 13916), (6958, 11890), (7105, 11644), (8036, 10295), (8236, 10045), (8323, 9940)]