820858920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1168

約数の個数: 256

約数和(自身を含む): 3008102400

約数和(自身を除く): 2187243480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 31, 35, 40, 42, 56, 58, 60, 62, 70, 84, 87, 93, 105, 116, 120, 124, 140, 145, 155, 168, 174, 186, 203, 210, 217, 232, 248, 280, 290, 310, 348, 372, 406, 420, 434, 435, 465, 580, 609, 620, 651, 696, 744, 812, 840, 868, 870, 899, 930, 1015, 1085, 1087, 1160, 1218, 1240, 1302, 1624, 1736, 1740, 1798, 1860, 2030, 2170, 2174, 2436, 2604, 2697, 3045, 3255, 3261, 3480, 3596, 3720, 4060, 4340, 4348, 4495, 4872, 5208, 5394, 5435, 6090, 6293, 6510, 6522, 7192, 7609, 8120, 8680, 8696, 8990, 10788, 10870, 12180, 12586, 13020, 13044, 13485, 15218, 16305, 17980, 18879, 21576, 21740, 22827, 24360, 25172, 26040, 26088, 26970, 30436, 31465, 31523, 32610, 33697, 35960, 37758, 38045, 43480, 45654, 50344, 53940, 60872, 62930, 63046, 65220, 67394, 75516, 76090, 91308, 94395, 94569, 101091, 107880, 114135, 125860, 126092, 130440, 134788, 151032, 152180, 157615, 168485, 182616, 188790, 189138, 202182, 220661, 228270, 235879, 251720, 252184, 269576, 304360, 315230, 336970, 377580, 378276, 404364, 441322, 456540, 471758, 472845, 505455, 630460, 661983, 673940, 707637, 755160, 756552, 808728, 882644, 913080, 943516, 945690, 977213, 1010910, 1103305, 1179395, 1260920, 1323966, 1347880, 1415274, 1765288, 1887032, 1891380, 1954426, 2021820, 2206610, 2358790, 2647932, 2830548, 2931639, 3309915, 3538185, 3782760, 3908852, 4043640, 4413220, 4717580, 4886065, 5295864, 5661096, 5863278, 6619830, 6840491, 7076370, 7817704, 8826440, 9435160, 9772130, 11726556, 13239660, 13680982, 14152740, 14658195, 19544260, 20521473, 23453112, 26479320, 27361964, 28305480, 29316390, 34202455, 39088520, 41042946, 54723928, 58632780, 68404910, 82085892, 102607365, 117265560, 136809820, 164171784, 205214730, 273619640, 410429460, 820858920]

約数ペア:

[(1, 820858920), (2, 410429460), (3, 273619640), (4, 205214730), (5, 164171784), (6, 136809820), (7, 117265560), (8, 102607365), (10, 82085892), (12, 68404910), (14, 58632780), (15, 54723928), (20, 41042946), (21, 39088520), (24, 34202455), (28, 29316390), (29, 28305480), (30, 27361964), (31, 26479320), (35, 23453112), (40, 20521473), (42, 19544260), (56, 14658195), (58, 14152740), (60, 13680982), (62, 13239660), (70, 11726556), (84, 9772130), (87, 9435160), (93, 8826440), (105, 7817704), (116, 7076370), (120, 6840491), (124, 6619830), (140, 5863278), (145, 5661096), (155, 5295864), (168, 4886065), (174, 4717580), (186, 4413220), (203, 4043640), (210, 3908852), (217, 3782760), (232, 3538185), (248, 3309915), (280, 2931639), (290, 2830548), (310, 2647932), (348, 2358790), (372, 2206610), (406, 2021820), (420, 1954426), (434, 1891380), (435, 1887032), (465, 1765288), (580, 1415274), (609, 1347880), (620, 1323966), (651, 1260920), (696, 1179395), (744, 1103305), (812, 1010910), (840, 977213), (868, 945690), (870, 943516), (899, 913080), (930, 882644), (1015, 808728), (1085, 756552), (1087, 755160), (1160, 707637), (1218, 673940), (1240, 661983), (1302, 630460), (1624, 505455), (1736, 472845), (1740, 471758), (1798, 456540), (1860, 441322), (2030, 404364), (2170, 378276), (2174, 377580), (2436, 336970), (2604, 315230), (2697, 304360), (3045, 269576), (3255, 252184), (3261, 251720), (3480, 235879), (3596, 228270), (3720, 220661), (4060, 202182), (4340, 189138), (4348, 188790), (4495, 182616), (4872, 168485), (5208, 157615), (5394, 152180), (5435, 151032), (6090, 134788), (6293, 130440), (6510, 126092), (6522, 125860), (7192, 114135), (7609, 107880), (8120, 101091), (8680, 94569), (8696, 94395), (8990, 91308), (10788, 76090), (10870, 75516), (12180, 67394), (12586, 65220), (13020, 63046), (13044, 62930), (13485, 60872), (15218, 53940), (16305, 50344), (17980, 45654), (18879, 43480), (21576, 38045), (21740, 37758), (22827, 35960), (24360, 33697), (25172, 32610), (26040, 31523), (26088, 31465), (26970, 30436)]