639683760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:851

約数の個数: 160

約数和(自身を含む): 2066153472

約数和(自身を除く): 1426469712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 127, 155, 186, 240, 248, 254, 310, 372, 381, 465, 496, 508, 620, 635, 677, 744, 762, 930, 1016, 1240, 1270, 1354, 1488, 1524, 1860, 1905, 2031, 2032, 2480, 2540, 2708, 3048, 3385, 3720, 3810, 3937, 4062, 5080, 5416, 6096, 6770, 7440, 7620, 7874, 8124, 10155, 10160, 10832, 11811, 13540, 15240, 15748, 16248, 19685, 20310, 20987, 23622, 27080, 30480, 31496, 32496, 39370, 40620, 41974, 47244, 54160, 59055, 62961, 62992, 78740, 81240, 83948, 85979, 94488, 104935, 118110, 125922, 157480, 162480, 167896, 171958, 188976, 209870, 236220, 251844, 257937, 314805, 314960, 335792, 343916, 419740, 429895, 472440, 503688, 515874, 629610, 687832, 839480, 859790, 944880, 1007376, 1031748, 1259220, 1289685, 1375664, 1678960, 1719580, 2063496, 2518440, 2579370, 2665349, 3439160, 4126992, 5036880, 5158740, 5330698, 6878320, 7996047, 10317480, 10661396, 13326745, 15992094, 20634960, 21322792, 26653490, 31984188, 39980235, 42645584, 53306980, 63968376, 79960470, 106613960, 127936752, 159920940, 213227920, 319841880, 639683760]

約数ペア:

[(1, 639683760), (2, 319841880), (3, 213227920), (4, 159920940), (5, 127936752), (6, 106613960), (8, 79960470), (10, 63968376), (12, 53306980), (15, 42645584), (16, 39980235), (20, 31984188), (24, 26653490), (30, 21322792), (31, 20634960), (40, 15992094), (48, 13326745), (60, 10661396), (62, 10317480), (80, 7996047), (93, 6878320), (120, 5330698), (124, 5158740), (127, 5036880), (155, 4126992), (186, 3439160), (240, 2665349), (248, 2579370), (254, 2518440), (310, 2063496), (372, 1719580), (381, 1678960), (465, 1375664), (496, 1289685), (508, 1259220), (620, 1031748), (635, 1007376), (677, 944880), (744, 859790), (762, 839480), (930, 687832), (1016, 629610), (1240, 515874), (1270, 503688), (1354, 472440), (1488, 429895), (1524, 419740), (1860, 343916), (1905, 335792), (2031, 314960), (2032, 314805), (2480, 257937), (2540, 251844), (2708, 236220), (3048, 209870), (3385, 188976), (3720, 171958), (3810, 167896), (3937, 162480), (4062, 157480), (5080, 125922), (5416, 118110), (6096, 104935), (6770, 94488), (7440, 85979), (7620, 83948), (7874, 81240), (8124, 78740), (10155, 62992), (10160, 62961), (10832, 59055), (11811, 54160), (13540, 47244), (15240, 41974), (15748, 40620), (16248, 39370), (19685, 32496), (20310, 31496), (20987, 30480), (23622, 27080)]