278231520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4871}}^1$

素因数の和:4913

約数の個数: 192

約数和(自身を含む): 1060770816

約数和(自身を除く): 782539296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 1020, 1120, 1190, 1360, 1428, 1632, 1680, 1785, 1904, 2040, 2380, 2720, 2856, 3360, 3570, 3808, 4080, 4760, 4871, 5712, 7140, 8160, 9520, 9742, 11424, 14280, 14613, 19040, 19484, 24355, 28560, 29226, 34097, 38968, 48710, 57120, 58452, 68194, 73065, 77936, 82807, 97420, 102291, 116904, 136388, 146130, 155872, 165614, 170485, 194840, 204582, 233808, 248421, 272776, 292260, 331228, 340970, 389680, 409164, 414035, 467616, 496842, 511455, 545552, 579649, 584520, 662456, 681940, 779360, 818328, 828070, 993684, 1022910, 1091104, 1159298, 1169040, 1242105, 1324912, 1363880, 1636656, 1656140, 1738947, 1987368, 2045820, 2318596, 2338080, 2484210, 2649824, 2727760, 2898245, 3273312, 3312280, 3477894, 3974736, 4091640, 4637192, 4968420, 5455520, 5796490, 6624560, 6955788, 7949472, 8183280, 8694735, 9274384, 9936840, 11592980, 13249120, 13911576, 16366560, 17389470, 18548768, 19873680, 23185960, 27823152, 34778940, 39747360, 46371920, 55646304, 69557880, 92743840, 139115760, 278231520]

約数ペア:

[(1, 278231520), (2, 139115760), (3, 92743840), (4, 69557880), (5, 55646304), (6, 46371920), (7, 39747360), (8, 34778940), (10, 27823152), (12, 23185960), (14, 19873680), (15, 18548768), (16, 17389470), (17, 16366560), (20, 13911576), (21, 13249120), (24, 11592980), (28, 9936840), (30, 9274384), (32, 8694735), (34, 8183280), (35, 7949472), (40, 6955788), (42, 6624560), (48, 5796490), (51, 5455520), (56, 4968420), (60, 4637192), (68, 4091640), (70, 3974736), (80, 3477894), (84, 3312280), (85, 3273312), (96, 2898245), (102, 2727760), (105, 2649824), (112, 2484210), (119, 2338080), (120, 2318596), (136, 2045820), (140, 1987368), (160, 1738947), (168, 1656140), (170, 1636656), (204, 1363880), (210, 1324912), (224, 1242105), (238, 1169040), (240, 1159298), (255, 1091104), (272, 1022910), (280, 993684), (336, 828070), (340, 818328), (357, 779360), (408, 681940), (420, 662456), (476, 584520), (480, 579649), (510, 545552), (544, 511455), (560, 496842), (595, 467616), (672, 414035), (680, 409164), (714, 389680), (816, 340970), (840, 331228), (952, 292260), (1020, 272776), (1120, 248421), (1190, 233808), (1360, 204582), (1428, 194840), (1632, 170485), (1680, 165614), (1785, 155872), (1904, 146130), (2040, 136388), (2380, 116904), (2720, 102291), (2856, 97420), (3360, 82807), (3570, 77936), (3808, 73065), (4080, 68194), (4760, 58452), (4871, 57120), (5712, 48710), (7140, 38968), (8160, 34097), (9520, 29226), (9742, 28560), (11424, 24355), (14280, 19484), (14613, 19040)]