78987300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1350

約数の個数: 144

約数和(自身を含む): 270399360

約数和(自身を除く): 191412060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 50, 58, 60, 70, 75, 84, 87, 100, 105, 116, 140, 145, 150, 174, 175, 203, 210, 290, 300, 348, 350, 406, 420, 435, 525, 580, 609, 700, 725, 812, 870, 1015, 1050, 1218, 1297, 1450, 1740, 2030, 2100, 2175, 2436, 2594, 2900, 3045, 3891, 4060, 4350, 5075, 5188, 6090, 6485, 7782, 8700, 9079, 10150, 12180, 12970, 15225, 15564, 18158, 19455, 20300, 25940, 27237, 30450, 32425, 36316, 37613, 38910, 45395, 54474, 60900, 64850, 75226, 77820, 90790, 97275, 108948, 112839, 129700, 136185, 150452, 181580, 188065, 194550, 225678, 226975, 263291, 272370, 376130, 389100, 451356, 453950, 526582, 544740, 564195, 680925, 752260, 789873, 907900, 940325, 1053164, 1128390, 1316455, 1361850, 1579746, 1880650, 2256780, 2632910, 2723700, 2820975, 3159492, 3761300, 3949365, 5265820, 5641950, 6582275, 7898730, 11283900, 13164550, 15797460, 19746825, 26329100, 39493650, 78987300]

約数ペア:

[(1, 78987300), (2, 39493650), (3, 26329100), (4, 19746825), (5, 15797460), (6, 13164550), (7, 11283900), (10, 7898730), (12, 6582275), (14, 5641950), (15, 5265820), (20, 3949365), (21, 3761300), (25, 3159492), (28, 2820975), (29, 2723700), (30, 2632910), (35, 2256780), (42, 1880650), (50, 1579746), (58, 1361850), (60, 1316455), (70, 1128390), (75, 1053164), (84, 940325), (87, 907900), (100, 789873), (105, 752260), (116, 680925), (140, 564195), (145, 544740), (150, 526582), (174, 453950), (175, 451356), (203, 389100), (210, 376130), (290, 272370), (300, 263291), (348, 226975), (350, 225678), (406, 194550), (420, 188065), (435, 181580), (525, 150452), (580, 136185), (609, 129700), (700, 112839), (725, 108948), (812, 97275), (870, 90790), (1015, 77820), (1050, 75226), (1218, 64850), (1297, 60900), (1450, 54474), (1740, 45395), (2030, 38910), (2100, 37613), (2175, 36316), (2436, 32425), (2594, 30450), (2900, 27237), (3045, 25940), (3891, 20300), (4060, 19455), (4350, 18158), (5075, 15564), (5188, 15225), (6090, 12970), (6485, 12180), (7782, 10150), (8700, 9079)]