79962400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 226860480

約数和(自身を除く): 146898080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 109, 112, 131, 140, 160, 175, 200, 218, 224, 262, 280, 350, 400, 436, 524, 545, 560, 655, 700, 763, 800, 872, 917, 1048, 1090, 1120, 1310, 1400, 1526, 1744, 1834, 2096, 2180, 2620, 2725, 2800, 3052, 3275, 3488, 3668, 3815, 4192, 4360, 4585, 5240, 5450, 5600, 6104, 6550, 7336, 7630, 8720, 9170, 10480, 10900, 12208, 13100, 14279, 14672, 15260, 17440, 18340, 19075, 20960, 21800, 22925, 24416, 26200, 28558, 29344, 30520, 36680, 38150, 43600, 45850, 52400, 57116, 61040, 71395, 73360, 76300, 87200, 91700, 99953, 104800, 114232, 122080, 142790, 146720, 152600, 183400, 199906, 228464, 285580, 305200, 356975, 366800, 399812, 456928, 499765, 571160, 610400, 713950, 733600, 799624, 999530, 1142320, 1427900, 1599248, 1999060, 2284640, 2498825, 2855800, 3198496, 3998120, 4997650, 5711600, 7996240, 9995300, 11423200, 15992480, 19990600, 39981200, 79962400]

約数ペア:

[(1, 79962400), (2, 39981200), (4, 19990600), (5, 15992480), (7, 11423200), (8, 9995300), (10, 7996240), (14, 5711600), (16, 4997650), (20, 3998120), (25, 3198496), (28, 2855800), (32, 2498825), (35, 2284640), (40, 1999060), (50, 1599248), (56, 1427900), (70, 1142320), (80, 999530), (100, 799624), (109, 733600), (112, 713950), (131, 610400), (140, 571160), (160, 499765), (175, 456928), (200, 399812), (218, 366800), (224, 356975), (262, 305200), (280, 285580), (350, 228464), (400, 199906), (436, 183400), (524, 152600), (545, 146720), (560, 142790), (655, 122080), (700, 114232), (763, 104800), (800, 99953), (872, 91700), (917, 87200), (1048, 76300), (1090, 73360), (1120, 71395), (1310, 61040), (1400, 57116), (1526, 52400), (1744, 45850), (1834, 43600), (2096, 38150), (2180, 36680), (2620, 30520), (2725, 29344), (2800, 28558), (3052, 26200), (3275, 24416), (3488, 22925), (3668, 21800), (3815, 20960), (4192, 19075), (4360, 18340), (4585, 17440), (5240, 15260), (5450, 14672), (5600, 14279), (6104, 13100), (6550, 12208), (7336, 10900), (7630, 10480), (8720, 9170)]