71819520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 233997120

約数和(自身を除く): 162177600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 64, 80, 96, 118, 120, 128, 160, 177, 192, 236, 240, 256, 295, 317, 320, 354, 384, 472, 480, 590, 634, 640, 708, 768, 885, 944, 951, 960, 1180, 1268, 1280, 1416, 1585, 1770, 1888, 1902, 1920, 2360, 2536, 2832, 3170, 3540, 3776, 3804, 3840, 4720, 4755, 5072, 5664, 6340, 7080, 7552, 7608, 9440, 9510, 10144, 11328, 12680, 14160, 15104, 15216, 18703, 18880, 19020, 20288, 22656, 25360, 28320, 30432, 37406, 37760, 38040, 40576, 45312, 50720, 56109, 56640, 60864, 74812, 75520, 76080, 81152, 93515, 101440, 112218, 113280, 121728, 149624, 152160, 187030, 202880, 224436, 226560, 243456, 280545, 299248, 304320, 374060, 405760, 448872, 561090, 598496, 608640, 748120, 897744, 1122180, 1196992, 1217280, 1496240, 1795488, 2244360, 2393984, 2992480, 3590976, 4488720, 4787968, 5984960, 7181952, 8977440, 11969920, 14363904, 17954880, 23939840, 35909760, 71819520]

約数ペア:

[(1, 71819520), (2, 35909760), (3, 23939840), (4, 17954880), (5, 14363904), (6, 11969920), (8, 8977440), (10, 7181952), (12, 5984960), (15, 4787968), (16, 4488720), (20, 3590976), (24, 2992480), (30, 2393984), (32, 2244360), (40, 1795488), (48, 1496240), (59, 1217280), (60, 1196992), (64, 1122180), (80, 897744), (96, 748120), (118, 608640), (120, 598496), (128, 561090), (160, 448872), (177, 405760), (192, 374060), (236, 304320), (240, 299248), (256, 280545), (295, 243456), (317, 226560), (320, 224436), (354, 202880), (384, 187030), (472, 152160), (480, 149624), (590, 121728), (634, 113280), (640, 112218), (708, 101440), (768, 93515), (885, 81152), (944, 76080), (951, 75520), (960, 74812), (1180, 60864), (1268, 56640), (1280, 56109), (1416, 50720), (1585, 45312), (1770, 40576), (1888, 38040), (1902, 37760), (1920, 37406), (2360, 30432), (2536, 28320), (2832, 25360), (3170, 22656), (3540, 20288), (3776, 19020), (3804, 18880), (3840, 18703), (4720, 15216), (4755, 15104), (5072, 14160), (5664, 12680), (6340, 11328), (7080, 10144), (7552, 9510), (7608, 9440)]