816366720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32707}}^1$

素因数の和:32742

約数の個数: 128

約数和(自身を含む): 2802421440

約数和(自身を除く): 1986054720

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, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 32707, 65414, 98121, 130828, 163535, 196242, 261656, 327070, 392484, 425191, 490605, 523312, 654140, 784968, 850382, 981210, 1046624, 1275573, 1308280, 1569936, 1700764, 1962420, 2093248, 2125955, 2551146, 2616560, 3139872, 3401528, 3924840, 4186496, 4251910, 5102292, 5233120, 6279744, 6377865, 6803056, 7849680, 8503820, 10204584, 10466240, 12559488, 12755730, 13606112, 15699360, 17007640, 20409168, 20932480, 25511460, 27212224, 31398720, 34015280, 40818336, 51022920, 54424448, 62797440, 68030560, 81636672, 102045840, 136061120, 163273344, 204091680, 272122240, 408183360, 816366720]

約数ペア:

[(1, 816366720), (2, 408183360), (3, 272122240), (4, 204091680), (5, 163273344), (6, 136061120), (8, 102045840), (10, 81636672), (12, 68030560), (13, 62797440), (15, 54424448), (16, 51022920), (20, 40818336), (24, 34015280), (26, 31398720), (30, 27212224), (32, 25511460), (39, 20932480), (40, 20409168), (48, 17007640), (52, 15699360), (60, 13606112), (64, 12755730), (65, 12559488), (78, 10466240), (80, 10204584), (96, 8503820), (104, 7849680), (120, 6803056), (128, 6377865), (130, 6279744), (156, 5233120), (160, 5102292), (192, 4251910), (195, 4186496), (208, 3924840), (240, 3401528), (260, 3139872), (312, 2616560), (320, 2551146), (384, 2125955), (390, 2093248), (416, 1962420), (480, 1700764), (520, 1569936), (624, 1308280), (640, 1275573), (780, 1046624), (832, 981210), (960, 850382), (1040, 784968), (1248, 654140), (1560, 523312), (1664, 490605), (1920, 425191), (2080, 392484), (2496, 327070), (3120, 261656), (4160, 196242), (4992, 163535), (6240, 130828), (8320, 98121), (12480, 65414), (24960, 32707)]