291361280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 160

約数和(自身を含む): 813162240

約数和(自身を除く): 521800960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 229, 256, 280, 284, 320, 355, 448, 458, 497, 512, 560, 568, 640, 710, 896, 916, 994, 1120, 1136, 1145, 1280, 1420, 1603, 1792, 1832, 1988, 2240, 2272, 2290, 2485, 2560, 2840, 3206, 3584, 3664, 3976, 4480, 4544, 4580, 4970, 5680, 6412, 7328, 7952, 8015, 8960, 9088, 9160, 9940, 11360, 12824, 14656, 15904, 16030, 16259, 17920, 18176, 18320, 19880, 22720, 25648, 29312, 31808, 32060, 32518, 36352, 36640, 39760, 45440, 51296, 58624, 63616, 64120, 65036, 73280, 79520, 81295, 90880, 102592, 113813, 117248, 127232, 128240, 130072, 146560, 159040, 162590, 181760, 205184, 227626, 254464, 256480, 260144, 293120, 318080, 325180, 410368, 455252, 512960, 520288, 569065, 586240, 636160, 650360, 820736, 910504, 1025920, 1040576, 1138130, 1272320, 1300720, 1821008, 2051840, 2081152, 2276260, 2601440, 3642016, 4103680, 4162304, 4552520, 5202880, 7284032, 8324608, 9105040, 10405760, 14568064, 18210080, 20811520, 29136128, 36420160, 41623040, 58272256, 72840320, 145680640, 291361280]

約数ペア:

[(1, 291361280), (2, 145680640), (4, 72840320), (5, 58272256), (7, 41623040), (8, 36420160), (10, 29136128), (14, 20811520), (16, 18210080), (20, 14568064), (28, 10405760), (32, 9105040), (35, 8324608), (40, 7284032), (56, 5202880), (64, 4552520), (70, 4162304), (71, 4103680), (80, 3642016), (112, 2601440), (128, 2276260), (140, 2081152), (142, 2051840), (160, 1821008), (224, 1300720), (229, 1272320), (256, 1138130), (280, 1040576), (284, 1025920), (320, 910504), (355, 820736), (448, 650360), (458, 636160), (497, 586240), (512, 569065), (560, 520288), (568, 512960), (640, 455252), (710, 410368), (896, 325180), (916, 318080), (994, 293120), (1120, 260144), (1136, 256480), (1145, 254464), (1280, 227626), (1420, 205184), (1603, 181760), (1792, 162590), (1832, 159040), (1988, 146560), (2240, 130072), (2272, 128240), (2290, 127232), (2485, 117248), (2560, 113813), (2840, 102592), (3206, 90880), (3584, 81295), (3664, 79520), (3976, 73280), (4480, 65036), (4544, 64120), (4580, 63616), (4970, 58624), (5680, 51296), (6412, 45440), (7328, 39760), (7952, 36640), (8015, 36352), (8960, 32518), (9088, 32060), (9160, 31808), (9940, 29312), (11360, 25648), (12824, 22720), (14656, 19880), (15904, 18320), (16030, 18176), (16259, 17920)]