321492920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 904932000

約数和(自身を除く): 583439080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 89, 95, 97, 98, 133, 140, 152, 178, 190, 194, 196, 245, 266, 280, 356, 380, 388, 392, 445, 485, 490, 532, 623, 665, 679, 712, 760, 776, 890, 931, 970, 980, 1064, 1246, 1330, 1358, 1691, 1780, 1843, 1862, 1940, 1960, 2492, 2660, 2716, 3115, 3382, 3395, 3560, 3686, 3724, 3880, 4361, 4655, 4753, 4984, 5320, 5432, 6230, 6764, 6790, 7372, 7448, 8455, 8633, 8722, 9215, 9310, 9506, 11837, 12460, 12901, 13528, 13580, 14744, 16910, 17266, 17444, 18430, 18620, 19012, 21805, 23674, 23765, 24920, 25802, 27160, 33820, 34532, 34888, 36860, 37240, 38024, 43165, 43610, 47348, 47530, 51604, 59185, 60431, 64505, 67640, 69064, 73720, 82859, 86330, 87220, 90307, 94696, 95060, 103208, 118370, 120862, 129010, 164027, 165718, 172660, 174440, 180614, 190120, 236740, 241724, 258020, 302155, 328054, 331436, 345320, 361228, 414295, 423017, 451535, 473480, 483448, 516040, 604310, 656108, 662872, 722456, 820135, 828590, 846034, 903070, 1148189, 1208620, 1312216, 1640270, 1657180, 1692068, 1806140, 2115085, 2296378, 2417240, 3280540, 3314360, 3384136, 3612280, 4230170, 4592756, 5740945, 6561080, 8037323, 8460340, 9185512, 11481890, 16074646, 16920680, 22963780, 32149292, 40186615, 45927560, 64298584, 80373230, 160746460, 321492920]

約数ペア:

[(1, 321492920), (2, 160746460), (4, 80373230), (5, 64298584), (7, 45927560), (8, 40186615), (10, 32149292), (14, 22963780), (19, 16920680), (20, 16074646), (28, 11481890), (35, 9185512), (38, 8460340), (40, 8037323), (49, 6561080), (56, 5740945), (70, 4592756), (76, 4230170), (89, 3612280), (95, 3384136), (97, 3314360), (98, 3280540), (133, 2417240), (140, 2296378), (152, 2115085), (178, 1806140), (190, 1692068), (194, 1657180), (196, 1640270), (245, 1312216), (266, 1208620), (280, 1148189), (356, 903070), (380, 846034), (388, 828590), (392, 820135), (445, 722456), (485, 662872), (490, 656108), (532, 604310), (623, 516040), (665, 483448), (679, 473480), (712, 451535), (760, 423017), (776, 414295), (890, 361228), (931, 345320), (970, 331436), (980, 328054), (1064, 302155), (1246, 258020), (1330, 241724), (1358, 236740), (1691, 190120), (1780, 180614), (1843, 174440), (1862, 172660), (1940, 165718), (1960, 164027), (2492, 129010), (2660, 120862), (2716, 118370), (3115, 103208), (3382, 95060), (3395, 94696), (3560, 90307), (3686, 87220), (3724, 86330), (3880, 82859), (4361, 73720), (4655, 69064), (4753, 67640), (4984, 64505), (5320, 60431), (5432, 59185), (6230, 51604), (6764, 47530), (6790, 47348), (7372, 43610), (7448, 43165), (8455, 38024), (8633, 37240), (8722, 36860), (9215, 34888), (9310, 34532), (9506, 33820), (11837, 27160), (12460, 25802), (12901, 24920), (13528, 23765), (13580, 23674), (14744, 21805), (16910, 19012), (17266, 18620), (17444, 18430)]