31984960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 112

約数和(自身を含む): 88513920

約数和(自身を除く): 56528960

約数列:

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

約数ペア:

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