653360960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:249

約数の個数: 168

約数和(自身を含む): 1854549504

約数和(自身を除く): 1201188544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 97, 112, 124, 140, 155, 160, 194, 217, 224, 248, 280, 310, 320, 388, 434, 448, 485, 496, 560, 620, 679, 776, 868, 970, 992, 1085, 1120, 1240, 1358, 1552, 1736, 1940, 1984, 2170, 2240, 2480, 2716, 3007, 3104, 3395, 3472, 3880, 4340, 4960, 5432, 6014, 6208, 6790, 6944, 7760, 8680, 9409, 9920, 10864, 12028, 13580, 13888, 15035, 15520, 17360, 18818, 21049, 21728, 24056, 27160, 30070, 31040, 34720, 37636, 42098, 43456, 47045, 48112, 54320, 60140, 65863, 69440, 75272, 84196, 94090, 96224, 105245, 108640, 120280, 131726, 150544, 168392, 188180, 192448, 210490, 217280, 240560, 263452, 291679, 301088, 329315, 336784, 376360, 420980, 481120, 526904, 583358, 602176, 658630, 673568, 752720, 841960, 962240, 1053808, 1166716, 1317260, 1347136, 1458395, 1505440, 1683920, 2041753, 2107616, 2333432, 2634520, 2916790, 3010880, 3367840, 4083506, 4215232, 4666864, 5269040, 5833580, 6735680, 8167012, 9333728, 10208765, 10538080, 11667160, 16334024, 18667456, 20417530, 21076160, 23334320, 32668048, 40835060, 46668640, 65336096, 81670120, 93337280, 130672192, 163340240, 326680480, 653360960]

約数ペア:

[(1, 653360960), (2, 326680480), (4, 163340240), (5, 130672192), (7, 93337280), (8, 81670120), (10, 65336096), (14, 46668640), (16, 40835060), (20, 32668048), (28, 23334320), (31, 21076160), (32, 20417530), (35, 18667456), (40, 16334024), (56, 11667160), (62, 10538080), (64, 10208765), (70, 9333728), (80, 8167012), (97, 6735680), (112, 5833580), (124, 5269040), (140, 4666864), (155, 4215232), (160, 4083506), (194, 3367840), (217, 3010880), (224, 2916790), (248, 2634520), (280, 2333432), (310, 2107616), (320, 2041753), (388, 1683920), (434, 1505440), (448, 1458395), (485, 1347136), (496, 1317260), (560, 1166716), (620, 1053808), (679, 962240), (776, 841960), (868, 752720), (970, 673568), (992, 658630), (1085, 602176), (1120, 583358), (1240, 526904), (1358, 481120), (1552, 420980), (1736, 376360), (1940, 336784), (1984, 329315), (2170, 301088), (2240, 291679), (2480, 263452), (2716, 240560), (3007, 217280), (3104, 210490), (3395, 192448), (3472, 188180), (3880, 168392), (4340, 150544), (4960, 131726), (5432, 120280), (6014, 108640), (6208, 105245), (6790, 96224), (6944, 94090), (7760, 84196), (8680, 75272), (9409, 69440), (9920, 65863), (10864, 60140), (12028, 54320), (13580, 48112), (13888, 47045), (15035, 43456), (15520, 42098), (17360, 37636), (18818, 34720), (21049, 31040), (21728, 30070), (24056, 27160)]