639006240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{57881}}^1$

素因数の和:57922

約数の個数: 96

約数和(自身を含む): 2100422016

約数和(自身を除く): 1461415776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 2208, 2760, 3680, 5520, 11040, 57881, 115762, 173643, 231524, 289405, 347286, 463048, 578810, 694572, 868215, 926096, 1157620, 1331263, 1389144, 1736430, 1852192, 2315240, 2662526, 2778288, 3472860, 3993789, 4630480, 5325052, 5556576, 6656315, 6945720, 7987578, 9260960, 10650104, 13312630, 13891440, 15975156, 19968945, 21300208, 26625260, 27782880, 31950312, 39937890, 42600416, 53250520, 63900624, 79875780, 106501040, 127801248, 159751560, 213002080, 319503120, 639006240]

約数ペア:

[(1, 639006240), (2, 319503120), (3, 213002080), (4, 159751560), (5, 127801248), (6, 106501040), (8, 79875780), (10, 63900624), (12, 53250520), (15, 42600416), (16, 39937890), (20, 31950312), (23, 27782880), (24, 26625260), (30, 21300208), (32, 19968945), (40, 15975156), (46, 13891440), (48, 13312630), (60, 10650104), (69, 9260960), (80, 7987578), (92, 6945720), (96, 6656315), (115, 5556576), (120, 5325052), (138, 4630480), (160, 3993789), (184, 3472860), (230, 2778288), (240, 2662526), (276, 2315240), (345, 1852192), (368, 1736430), (460, 1389144), (480, 1331263), (552, 1157620), (690, 926096), (736, 868215), (920, 694572), (1104, 578810), (1380, 463048), (1840, 347286), (2208, 289405), (2760, 231524), (3680, 173643), (5520, 115762), (11040, 57881)]