21646560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3469}}^1$

素因数の和:3500

約数の個数: 96

約数和(自身を含む): 73452960

約数和(自身を除く): 51806400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 3469, 6240, 6938, 10407, 13876, 17345, 20814, 27752, 34690, 41628, 45097, 52035, 55504, 69380, 83256, 90194, 104070, 111008, 135291, 138760, 166512, 180388, 208140, 225485, 270582, 277520, 333024, 360776, 416280, 450970, 541164, 555040, 676455, 721552, 832560, 901940, 1082328, 1352910, 1443104, 1665120, 1803880, 2164656, 2705820, 3607760, 4329312, 5411640, 7215520, 10823280, 21646560]

約数ペア:

[(1, 21646560), (2, 10823280), (3, 7215520), (4, 5411640), (5, 4329312), (6, 3607760), (8, 2705820), (10, 2164656), (12, 1803880), (13, 1665120), (15, 1443104), (16, 1352910), (20, 1082328), (24, 901940), (26, 832560), (30, 721552), (32, 676455), (39, 555040), (40, 541164), (48, 450970), (52, 416280), (60, 360776), (65, 333024), (78, 277520), (80, 270582), (96, 225485), (104, 208140), (120, 180388), (130, 166512), (156, 138760), (160, 135291), (195, 111008), (208, 104070), (240, 90194), (260, 83256), (312, 69380), (390, 55504), (416, 52035), (480, 45097), (520, 41628), (624, 34690), (780, 27752), (1040, 20814), (1248, 17345), (1560, 13876), (2080, 10407), (3120, 6938), (3469, 6240)]