157431720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2381}}^1$

素因数の和:2443

約数の個数: 128

約数和(自身を含む): 514512000

約数和(自身を除く): 357080280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 60, 76, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 285, 290, 348, 380, 435, 456, 551, 570, 580, 696, 760, 870, 1102, 1140, 1160, 1653, 1740, 2204, 2280, 2381, 2755, 3306, 3480, 4408, 4762, 5510, 6612, 7143, 8265, 9524, 11020, 11905, 13224, 14286, 16530, 19048, 22040, 23810, 28572, 33060, 35715, 45239, 47620, 57144, 66120, 69049, 71430, 90478, 95240, 135717, 138098, 142860, 180956, 207147, 226195, 271434, 276196, 285720, 345245, 361912, 414294, 452390, 542868, 552392, 678585, 690490, 828588, 904780, 1035735, 1085736, 1311931, 1357170, 1380980, 1657176, 1809560, 2071470, 2623862, 2714340, 2761960, 3935793, 4142940, 5247724, 5428680, 6559655, 7871586, 8285880, 10495448, 13119310, 15743172, 19678965, 26238620, 31486344, 39357930, 52477240, 78715860, 157431720]

約数ペア:

[(1, 157431720), (2, 78715860), (3, 52477240), (4, 39357930), (5, 31486344), (6, 26238620), (8, 19678965), (10, 15743172), (12, 13119310), (15, 10495448), (19, 8285880), (20, 7871586), (24, 6559655), (29, 5428680), (30, 5247724), (38, 4142940), (40, 3935793), (57, 2761960), (58, 2714340), (60, 2623862), (76, 2071470), (87, 1809560), (95, 1657176), (114, 1380980), (116, 1357170), (120, 1311931), (145, 1085736), (152, 1035735), (174, 904780), (190, 828588), (228, 690490), (232, 678585), (285, 552392), (290, 542868), (348, 452390), (380, 414294), (435, 361912), (456, 345245), (551, 285720), (570, 276196), (580, 271434), (696, 226195), (760, 207147), (870, 180956), (1102, 142860), (1140, 138098), (1160, 135717), (1653, 95240), (1740, 90478), (2204, 71430), (2280, 69049), (2381, 66120), (2755, 57144), (3306, 47620), (3480, 45239), (4408, 35715), (4762, 33060), (5510, 28572), (6612, 23810), (7143, 22040), (8265, 19048), (9524, 16530), (11020, 14286), (11905, 13224)]