42878820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1357

約数の個数: 96

約数和(自身を含む): 130838400

約数和(自身を除く): 87959580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 29, 30, 38, 57, 58, 60, 76, 87, 95, 114, 116, 145, 174, 190, 228, 285, 290, 348, 380, 435, 551, 570, 580, 870, 1102, 1140, 1297, 1653, 1740, 2204, 2594, 2755, 3306, 3891, 5188, 5510, 6485, 6612, 7782, 8265, 11020, 12970, 15564, 16530, 19455, 24643, 25940, 33060, 37613, 38910, 49286, 73929, 75226, 77820, 98572, 112839, 123215, 147858, 150452, 188065, 225678, 246430, 295716, 369645, 376130, 451356, 492860, 564195, 714647, 739290, 752260, 1128390, 1429294, 1478580, 2143941, 2256780, 2858588, 3573235, 4287882, 7146470, 8575764, 10719705, 14292940, 21439410, 42878820]

約数ペア:

[(1, 42878820), (2, 21439410), (3, 14292940), (4, 10719705), (5, 8575764), (6, 7146470), (10, 4287882), (12, 3573235), (15, 2858588), (19, 2256780), (20, 2143941), (29, 1478580), (30, 1429294), (38, 1128390), (57, 752260), (58, 739290), (60, 714647), (76, 564195), (87, 492860), (95, 451356), (114, 376130), (116, 369645), (145, 295716), (174, 246430), (190, 225678), (228, 188065), (285, 150452), (290, 147858), (348, 123215), (380, 112839), (435, 98572), (551, 77820), (570, 75226), (580, 73929), (870, 49286), (1102, 38910), (1140, 37613), (1297, 33060), (1653, 25940), (1740, 24643), (2204, 19455), (2594, 16530), (2755, 15564), (3306, 12970), (3891, 11020), (5188, 8265), (5510, 7782), (6485, 6612)]