64939680

素因数分解:

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

素因数の和:3503

約数の個数: 144

約数和(自身を含む): 238722120

約数和(自身を除く): 173782440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3469, 3744, 4680, 6240, 6938, 9360, 10407, 13876, 17345, 18720, 20814, 27752, 31221, 34690, 41628, 45097, 52035, 55504, 62442, 69380, 83256, 90194, 104070, 111008, 124884, 135291, 138760, 156105, 166512, 180388, 208140, 225485, 249768, 270582, 277520, 312210, 333024, 360776, 405873, 416280, 450970, 499536, 541164, 555040, 624420, 676455, 721552, 811746, 832560, 901940, 999072, 1082328, 1248840, 1352910, 1443104, 1623492, 1665120, 1803880, 2029365, 2164656, 2497680, 2705820, 3246984, 3607760, 4058730, 4329312, 4995360, 5411640, 6493968, 7215520, 8117460, 10823280, 12987936, 16234920, 21646560, 32469840, 64939680]

約数ペア:

[(1, 64939680), (2, 32469840), (3, 21646560), (4, 16234920), (5, 12987936), (6, 10823280), (8, 8117460), (9, 7215520), (10, 6493968), (12, 5411640), (13, 4995360), (15, 4329312), (16, 4058730), (18, 3607760), (20, 3246984), (24, 2705820), (26, 2497680), (30, 2164656), (32, 2029365), (36, 1803880), (39, 1665120), (40, 1623492), (45, 1443104), (48, 1352910), (52, 1248840), (60, 1082328), (65, 999072), (72, 901940), (78, 832560), (80, 811746), (90, 721552), (96, 676455), (104, 624420), (117, 555040), (120, 541164), (130, 499536), (144, 450970), (156, 416280), (160, 405873), (180, 360776), (195, 333024), (208, 312210), (234, 277520), (240, 270582), (260, 249768), (288, 225485), (312, 208140), (360, 180388), (390, 166512), (416, 156105), (468, 138760), (480, 135291), (520, 124884), (585, 111008), (624, 104070), (720, 90194), (780, 83256), (936, 69380), (1040, 62442), (1170, 55504), (1248, 52035), (1440, 45097), (1560, 41628), (1872, 34690), (2080, 31221), (2340, 27752), (3120, 20814), (3469, 18720), (3744, 17345), (4680, 13876), (6240, 10407), (6938, 9360)]