80428800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 216

約数和(自身を含む): 273732480

約数和(自身を除く): 193303680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 59, 60, 64, 71, 75, 80, 96, 100, 118, 120, 128, 142, 150, 160, 177, 192, 200, 213, 236, 240, 256, 284, 295, 300, 320, 354, 355, 384, 400, 426, 472, 480, 568, 590, 600, 640, 708, 710, 768, 800, 852, 885, 944, 960, 1065, 1136, 1180, 1200, 1280, 1416, 1420, 1475, 1600, 1704, 1770, 1775, 1888, 1920, 2130, 2272, 2360, 2400, 2832, 2840, 2950, 3200, 3408, 3540, 3550, 3776, 3840, 4189, 4260, 4425, 4544, 4720, 4800, 5325, 5664, 5680, 5900, 6400, 6816, 7080, 7100, 7552, 8378, 8520, 8850, 9088, 9440, 9600, 10650, 11328, 11360, 11800, 12567, 13632, 14160, 14200, 15104, 16756, 17040, 17700, 18176, 18880, 19200, 20945, 21300, 22656, 22720, 23600, 25134, 27264, 28320, 28400, 33512, 34080, 35400, 37760, 41890, 42600, 45312, 45440, 47200, 50268, 54528, 56640, 56800, 62835, 67024, 68160, 70800, 75520, 83780, 85200, 90880, 94400, 100536, 104725, 113280, 113600, 125670, 134048, 136320, 141600, 167560, 170400, 188800, 201072, 209450, 226560, 227200, 251340, 268096, 272640, 283200, 314175, 335120, 340800, 377600, 402144, 418900, 454400, 502680, 536192, 566400, 628350, 670240, 681600, 804288, 837800, 1005360, 1072384, 1132800, 1256700, 1340480, 1363200, 1608576, 1675600, 2010720, 2513400, 2680960, 3217152, 3351200, 4021440, 5026800, 5361920, 6702400, 8042880, 10053600, 13404800, 16085760, 20107200, 26809600, 40214400, 80428800]

約数ペア:

[(1, 80428800), (2, 40214400), (3, 26809600), (4, 20107200), (5, 16085760), (6, 13404800), (8, 10053600), (10, 8042880), (12, 6702400), (15, 5361920), (16, 5026800), (20, 4021440), (24, 3351200), (25, 3217152), (30, 2680960), (32, 2513400), (40, 2010720), (48, 1675600), (50, 1608576), (59, 1363200), (60, 1340480), (64, 1256700), (71, 1132800), (75, 1072384), (80, 1005360), (96, 837800), (100, 804288), (118, 681600), (120, 670240), (128, 628350), (142, 566400), (150, 536192), (160, 502680), (177, 454400), (192, 418900), (200, 402144), (213, 377600), (236, 340800), (240, 335120), (256, 314175), (284, 283200), (295, 272640), (300, 268096), (320, 251340), (354, 227200), (355, 226560), (384, 209450), (400, 201072), (426, 188800), (472, 170400), (480, 167560), (568, 141600), (590, 136320), (600, 134048), (640, 125670), (708, 113600), (710, 113280), (768, 104725), (800, 100536), (852, 94400), (885, 90880), (944, 85200), (960, 83780), (1065, 75520), (1136, 70800), (1180, 68160), (1200, 67024), (1280, 62835), (1416, 56800), (1420, 56640), (1475, 54528), (1600, 50268), (1704, 47200), (1770, 45440), (1775, 45312), (1888, 42600), (1920, 41890), (2130, 37760), (2272, 35400), (2360, 34080), (2400, 33512), (2832, 28400), (2840, 28320), (2950, 27264), (3200, 25134), (3408, 23600), (3540, 22720), (3550, 22656), (3776, 21300), (3840, 20945), (4189, 19200), (4260, 18880), (4425, 18176), (4544, 17700), (4720, 17040), (4800, 16756), (5325, 15104), (5664, 14200), (5680, 14160), (5900, 13632), (6400, 12567), (6816, 11800), (7080, 11360), (7100, 11328), (7552, 10650), (8378, 9600), (8520, 9440), (8850, 9088)]