51231120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9281}}^1$

素因数の和:9320

約数の個数: 80

約数和(自身を含む): 165739392

約数和(自身を除く): 114508272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 9281, 18562, 27843, 37124, 46405, 55686, 74248, 92810, 111372, 139215, 148496, 185620, 213463, 222744, 278430, 371240, 426926, 445488, 556860, 640389, 742480, 853852, 1067315, 1113720, 1280778, 1707704, 2134630, 2227440, 2561556, 3201945, 3415408, 4269260, 5123112, 6403890, 8538520, 10246224, 12807780, 17077040, 25615560, 51231120]

約数ペア:

[(1, 51231120), (2, 25615560), (3, 17077040), (4, 12807780), (5, 10246224), (6, 8538520), (8, 6403890), (10, 5123112), (12, 4269260), (15, 3415408), (16, 3201945), (20, 2561556), (23, 2227440), (24, 2134630), (30, 1707704), (40, 1280778), (46, 1113720), (48, 1067315), (60, 853852), (69, 742480), (80, 640389), (92, 556860), (115, 445488), (120, 426926), (138, 371240), (184, 278430), (230, 222744), (240, 213463), (276, 185620), (345, 148496), (368, 139215), (460, 111372), (552, 92810), (690, 74248), (920, 55686), (1104, 46405), (1380, 37124), (1840, 27843), (2760, 18562), (5520, 9281)]