27728680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{593}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 44121560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 593, 668, 835, 1169, 1186, 1336, 1670, 2338, 2372, 2965, 3340, 4151, 4676, 4744, 5845, 5930, 6680, 8302, 9352, 11690, 11860, 16604, 20755, 23380, 23720, 33208, 41510, 46760, 83020, 99031, 166040, 198062, 396124, 495155, 693217, 792248, 990310, 1386434, 1980620, 2772868, 3466085, 3961240, 5545736, 6932170, 13864340, 27728680]

約数ペア:

[(1, 27728680), (2, 13864340), (4, 6932170), (5, 5545736), (7, 3961240), (8, 3466085), (10, 2772868), (14, 1980620), (20, 1386434), (28, 990310), (35, 792248), (40, 693217), (56, 495155), (70, 396124), (140, 198062), (167, 166040), (280, 99031), (334, 83020), (593, 46760), (668, 41510), (835, 33208), (1169, 23720), (1186, 23380), (1336, 20755), (1670, 16604), (2338, 11860), (2372, 11690), (2965, 9352), (3340, 8302), (4151, 6680), (4676, 5930), (4744, 5845)]