204894120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1315

約数の個数: 128

約数和(自身を含む): 652458240

約数和(自身を除く): 447564120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 92, 115, 120, 122, 138, 183, 184, 230, 244, 276, 305, 345, 366, 460, 488, 552, 610, 690, 732, 915, 920, 1217, 1220, 1380, 1403, 1464, 1830, 2434, 2440, 2760, 2806, 3651, 3660, 4209, 4868, 5612, 6085, 7015, 7302, 7320, 8418, 9736, 11224, 12170, 14030, 14604, 16836, 18255, 21045, 24340, 27991, 28060, 29208, 33672, 36510, 42090, 48680, 55982, 56120, 73020, 74237, 83973, 84180, 111964, 139955, 146040, 148474, 167946, 168360, 222711, 223928, 279910, 296948, 335892, 371185, 419865, 445422, 559820, 593896, 671784, 742370, 839730, 890844, 1113555, 1119640, 1484740, 1679460, 1707451, 1781688, 2227110, 2969480, 3358920, 3414902, 4454220, 5122353, 6829804, 8537255, 8908440, 10244706, 13659608, 17074510, 20489412, 25611765, 34149020, 40978824, 51223530, 68298040, 102447060, 204894120]

約数ペア:

[(1, 204894120), (2, 102447060), (3, 68298040), (4, 51223530), (5, 40978824), (6, 34149020), (8, 25611765), (10, 20489412), (12, 17074510), (15, 13659608), (20, 10244706), (23, 8908440), (24, 8537255), (30, 6829804), (40, 5122353), (46, 4454220), (60, 3414902), (61, 3358920), (69, 2969480), (92, 2227110), (115, 1781688), (120, 1707451), (122, 1679460), (138, 1484740), (183, 1119640), (184, 1113555), (230, 890844), (244, 839730), (276, 742370), (305, 671784), (345, 593896), (366, 559820), (460, 445422), (488, 419865), (552, 371185), (610, 335892), (690, 296948), (732, 279910), (915, 223928), (920, 222711), (1217, 168360), (1220, 167946), (1380, 148474), (1403, 146040), (1464, 139955), (1830, 111964), (2434, 84180), (2440, 83973), (2760, 74237), (2806, 73020), (3651, 56120), (3660, 55982), (4209, 48680), (4868, 42090), (5612, 36510), (6085, 33672), (7015, 29208), (7302, 28060), (7320, 27991), (8418, 24340), (9736, 21045), (11224, 18255), (12170, 16836), (14030, 14604)]