63969920

素因数分解:

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

素因数の和:266

約数の個数: 128

約数和(自身を含む): 177724800

約数和(自身を除く): 113754880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 109, 112, 128, 131, 140, 160, 218, 224, 262, 280, 320, 436, 448, 524, 545, 560, 640, 655, 763, 872, 896, 917, 1048, 1090, 1120, 1310, 1526, 1744, 1834, 2096, 2180, 2240, 2620, 3052, 3488, 3668, 3815, 4192, 4360, 4480, 4585, 5240, 6104, 6976, 7336, 7630, 8384, 8720, 9170, 10480, 12208, 13952, 14279, 14672, 15260, 16768, 17440, 18340, 20960, 24416, 28558, 29344, 30520, 34880, 36680, 41920, 48832, 57116, 58688, 61040, 69760, 71395, 73360, 83840, 97664, 99953, 114232, 117376, 122080, 142790, 146720, 199906, 228464, 244160, 285580, 293440, 399812, 456928, 488320, 499765, 571160, 586880, 799624, 913856, 999530, 1142320, 1599248, 1827712, 1999060, 2284640, 3198496, 3998120, 4569280, 6396992, 7996240, 9138560, 12793984, 15992480, 31984960, 63969920]

約数ペア:

[(1, 63969920), (2, 31984960), (4, 15992480), (5, 12793984), (7, 9138560), (8, 7996240), (10, 6396992), (14, 4569280), (16, 3998120), (20, 3198496), (28, 2284640), (32, 1999060), (35, 1827712), (40, 1599248), (56, 1142320), (64, 999530), (70, 913856), (80, 799624), (109, 586880), (112, 571160), (128, 499765), (131, 488320), (140, 456928), (160, 399812), (218, 293440), (224, 285580), (262, 244160), (280, 228464), (320, 199906), (436, 146720), (448, 142790), (524, 122080), (545, 117376), (560, 114232), (640, 99953), (655, 97664), (763, 83840), (872, 73360), (896, 71395), (917, 69760), (1048, 61040), (1090, 58688), (1120, 57116), (1310, 48832), (1526, 41920), (1744, 36680), (1834, 34880), (2096, 30520), (2180, 29344), (2240, 28558), (2620, 24416), (3052, 20960), (3488, 18340), (3668, 17440), (3815, 16768), (4192, 15260), (4360, 14672), (4480, 14279), (4585, 13952), (5240, 12208), (6104, 10480), (6976, 9170), (7336, 8720), (7630, 8384)]