72478000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:228

約数の個数: 160

約数和(自身を含む): 207986688

約数和(自身を除く): 135508688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 125, 140, 155, 167, 175, 200, 217, 248, 250, 280, 310, 334, 350, 400, 434, 496, 500, 560, 620, 668, 700, 775, 835, 868, 875, 1000, 1085, 1169, 1240, 1336, 1400, 1550, 1670, 1736, 1750, 2000, 2170, 2338, 2480, 2672, 2800, 3100, 3340, 3472, 3500, 3875, 4175, 4340, 4676, 5177, 5425, 5845, 6200, 6680, 7000, 7750, 8350, 8680, 9352, 10354, 10850, 11690, 12400, 13360, 14000, 15500, 16700, 17360, 18704, 20708, 20875, 21700, 23380, 25885, 27125, 29225, 31000, 33400, 36239, 41416, 41750, 43400, 46760, 51770, 54250, 58450, 62000, 66800, 72478, 82832, 83500, 86800, 93520, 103540, 108500, 116900, 129425, 144956, 146125, 167000, 181195, 207080, 217000, 233800, 258850, 289912, 292250, 334000, 362390, 414160, 434000, 467600, 517700, 579824, 584500, 647125, 724780, 905975, 1035400, 1169000, 1294250, 1449560, 1811950, 2070800, 2338000, 2588500, 2899120, 3623900, 4529875, 5177000, 7247800, 9059750, 10354000, 14495600, 18119500, 36239000, 72478000]

約数ペア:

[(1, 72478000), (2, 36239000), (4, 18119500), (5, 14495600), (7, 10354000), (8, 9059750), (10, 7247800), (14, 5177000), (16, 4529875), (20, 3623900), (25, 2899120), (28, 2588500), (31, 2338000), (35, 2070800), (40, 1811950), (50, 1449560), (56, 1294250), (62, 1169000), (70, 1035400), (80, 905975), (100, 724780), (112, 647125), (124, 584500), (125, 579824), (140, 517700), (155, 467600), (167, 434000), (175, 414160), (200, 362390), (217, 334000), (248, 292250), (250, 289912), (280, 258850), (310, 233800), (334, 217000), (350, 207080), (400, 181195), (434, 167000), (496, 146125), (500, 144956), (560, 129425), (620, 116900), (668, 108500), (700, 103540), (775, 93520), (835, 86800), (868, 83500), (875, 82832), (1000, 72478), (1085, 66800), (1169, 62000), (1240, 58450), (1336, 54250), (1400, 51770), (1550, 46760), (1670, 43400), (1736, 41750), (1750, 41416), (2000, 36239), (2170, 33400), (2338, 31000), (2480, 29225), (2672, 27125), (2800, 25885), (3100, 23380), (3340, 21700), (3472, 20875), (3500, 20708), (3875, 18704), (4175, 17360), (4340, 16700), (4676, 15500), (5177, 14000), (5425, 13360), (5845, 12400), (6200, 11690), (6680, 10850), (7000, 10354), (7750, 9352), (8350, 8680)]