85505920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 128

約数和(自身を含む): 224726400

約数和(自身を除く): 139220480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 128, 136, 145, 160, 170, 232, 271, 272, 290, 320, 340, 464, 493, 542, 544, 580, 640, 680, 928, 986, 1084, 1088, 1160, 1355, 1360, 1856, 1972, 2168, 2176, 2320, 2465, 2710, 2720, 3712, 3944, 4336, 4607, 4640, 4930, 5420, 5440, 7859, 7888, 8672, 9214, 9280, 9860, 10840, 10880, 15718, 15776, 17344, 18428, 18560, 19720, 21680, 23035, 31436, 31552, 34688, 36856, 39295, 39440, 43360, 46070, 62872, 63104, 73712, 78590, 78880, 86720, 92140, 125744, 133603, 147424, 157180, 157760, 173440, 184280, 251488, 267206, 294848, 314360, 315520, 368560, 502976, 534412, 589696, 628720, 668015, 737120, 1005952, 1068824, 1257440, 1336030, 1474240, 2137648, 2514880, 2672060, 2948480, 4275296, 5029760, 5344120, 8550592, 10688240, 17101184, 21376480, 42752960, 85505920]

約数ペア:

[(1, 85505920), (2, 42752960), (4, 21376480), (5, 17101184), (8, 10688240), (10, 8550592), (16, 5344120), (17, 5029760), (20, 4275296), (29, 2948480), (32, 2672060), (34, 2514880), (40, 2137648), (58, 1474240), (64, 1336030), (68, 1257440), (80, 1068824), (85, 1005952), (116, 737120), (128, 668015), (136, 628720), (145, 589696), (160, 534412), (170, 502976), (232, 368560), (271, 315520), (272, 314360), (290, 294848), (320, 267206), (340, 251488), (464, 184280), (493, 173440), (542, 157760), (544, 157180), (580, 147424), (640, 133603), (680, 125744), (928, 92140), (986, 86720), (1084, 78880), (1088, 78590), (1160, 73712), (1355, 63104), (1360, 62872), (1856, 46070), (1972, 43360), (2168, 39440), (2176, 39295), (2320, 36856), (2465, 34688), (2710, 31552), (2720, 31436), (3712, 23035), (3944, 21680), (4336, 19720), (4607, 18560), (4640, 18428), (4930, 17344), (5420, 15776), (5440, 15718), (7859, 10880), (7888, 10840), (8672, 9860), (9214, 9280)]