51393360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1087}}^1$

素因数の和:1300

約数の個数: 80

約数和(自身を含む): 160275456

約数和(自身を除く): 108882096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1087, 1182, 1576, 1970, 2174, 2364, 2955, 3152, 3261, 3940, 4348, 4728, 5435, 5910, 6522, 7880, 8696, 9456, 10870, 11820, 13044, 15760, 16305, 17392, 21740, 23640, 26088, 32610, 43480, 47280, 52176, 65220, 86960, 130440, 214139, 260880, 428278, 642417, 856556, 1070695, 1284834, 1713112, 2141390, 2569668, 3212085, 3426224, 4282780, 5139336, 6424170, 8565560, 10278672, 12848340, 17131120, 25696680, 51393360]

約数ペア:

[(1, 51393360), (2, 25696680), (3, 17131120), (4, 12848340), (5, 10278672), (6, 8565560), (8, 6424170), (10, 5139336), (12, 4282780), (15, 3426224), (16, 3212085), (20, 2569668), (24, 2141390), (30, 1713112), (40, 1284834), (48, 1070695), (60, 856556), (80, 642417), (120, 428278), (197, 260880), (240, 214139), (394, 130440), (591, 86960), (788, 65220), (985, 52176), (1087, 47280), (1182, 43480), (1576, 32610), (1970, 26088), (2174, 23640), (2364, 21740), (2955, 17392), (3152, 16305), (3261, 15760), (3940, 13044), (4348, 11820), (4728, 10870), (5435, 9456), (5910, 8696), (6522, 7880)]