63425720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1076

約数の個数: 64

約数和(自身を含む): 151165440

約数和(自身を除く): 87739720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 460, 568, 710, 920, 971, 1420, 1633, 1942, 2840, 3266, 3884, 4855, 6532, 7768, 8165, 9710, 13064, 16330, 19420, 22333, 32660, 38840, 44666, 65320, 68941, 89332, 111665, 137882, 178664, 223330, 275764, 344705, 446660, 551528, 689410, 893320, 1378820, 1585643, 2757640, 3171286, 6342572, 7928215, 12685144, 15856430, 31712860, 63425720]

約数ペア:

[(1, 63425720), (2, 31712860), (4, 15856430), (5, 12685144), (8, 7928215), (10, 6342572), (20, 3171286), (23, 2757640), (40, 1585643), (46, 1378820), (71, 893320), (92, 689410), (115, 551528), (142, 446660), (184, 344705), (230, 275764), (284, 223330), (355, 178664), (460, 137882), (568, 111665), (710, 89332), (920, 68941), (971, 65320), (1420, 44666), (1633, 38840), (1942, 32660), (2840, 22333), (3266, 19420), (3884, 16330), (4855, 13064), (6532, 9710), (7768, 8165)]