31915520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:180

約数の個数: 160

約数和(自身を含む): 94868928

約数和(自身を除く): 62953408

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 137, 140, 160, 182, 208, 224, 256, 260, 274, 280, 320, 364, 416, 448, 455, 512, 520, 548, 560, 640, 685, 728, 832, 896, 910, 959, 1040, 1096, 1120, 1280, 1370, 1456, 1664, 1781, 1792, 1820, 1918, 2080, 2192, 2240, 2560, 2740, 2912, 3328, 3562, 3584, 3640, 3836, 4160, 4384, 4480, 4795, 5480, 5824, 6656, 7124, 7280, 7672, 8320, 8768, 8905, 8960, 9590, 10960, 11648, 12467, 14248, 14560, 15344, 16640, 17536, 17810, 17920, 19180, 21920, 23296, 24934, 28496, 29120, 30688, 33280, 35072, 35620, 38360, 43840, 46592, 49868, 56992, 58240, 61376, 62335, 70144, 71240, 76720, 87680, 99736, 113984, 116480, 122752, 124670, 142480, 153440, 175360, 199472, 227968, 232960, 245504, 249340, 284960, 306880, 350720, 398944, 455936, 491008, 498680, 569920, 613760, 797888, 911872, 997360, 1139840, 1227520, 1595776, 1994720, 2279680, 2455040, 3191552, 3989440, 4559360, 6383104, 7978880, 15957760, 31915520]

約数ペア:

[(1, 31915520), (2, 15957760), (4, 7978880), (5, 6383104), (7, 4559360), (8, 3989440), (10, 3191552), (13, 2455040), (14, 2279680), (16, 1994720), (20, 1595776), (26, 1227520), (28, 1139840), (32, 997360), (35, 911872), (40, 797888), (52, 613760), (56, 569920), (64, 498680), (65, 491008), (70, 455936), (80, 398944), (91, 350720), (104, 306880), (112, 284960), (128, 249340), (130, 245504), (137, 232960), (140, 227968), (160, 199472), (182, 175360), (208, 153440), (224, 142480), (256, 124670), (260, 122752), (274, 116480), (280, 113984), (320, 99736), (364, 87680), (416, 76720), (448, 71240), (455, 70144), (512, 62335), (520, 61376), (548, 58240), (560, 56992), (640, 49868), (685, 46592), (728, 43840), (832, 38360), (896, 35620), (910, 35072), (959, 33280), (1040, 30688), (1096, 29120), (1120, 28496), (1280, 24934), (1370, 23296), (1456, 21920), (1664, 19180), (1781, 17920), (1792, 17810), (1820, 17536), (1918, 16640), (2080, 15344), (2192, 14560), (2240, 14248), (2560, 12467), (2740, 11648), (2912, 10960), (3328, 9590), (3562, 8960), (3584, 8905), (3640, 8768), (3836, 8320), (4160, 7672), (4384, 7280), (4480, 7124), (4795, 6656), (5480, 5824)]