280278720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{317}}^1$

素因数の和:647

約数の個数: 168

約数和(自身を含む): 970233264

約数和(自身を除く): 689954544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 307, 317, 320, 360, 480, 576, 614, 634, 720, 921, 951, 960, 1228, 1268, 1440, 1535, 1585, 1842, 1902, 2456, 2536, 2763, 2853, 2880, 3070, 3170, 3684, 3804, 4605, 4755, 4912, 5072, 5526, 5706, 6140, 6340, 7368, 7608, 9210, 9510, 9824, 10144, 11052, 11412, 12280, 12680, 13815, 14265, 14736, 15216, 18420, 19020, 19648, 20288, 22104, 22824, 24560, 25360, 27630, 28530, 29472, 30432, 36840, 38040, 44208, 45648, 49120, 50720, 55260, 57060, 58944, 60864, 73680, 76080, 88416, 91296, 97319, 98240, 101440, 110520, 114120, 147360, 152160, 176832, 182592, 194638, 221040, 228240, 291957, 294720, 304320, 389276, 442080, 456480, 486595, 583914, 778552, 875871, 884160, 912960, 973190, 1167828, 1459785, 1557104, 1751742, 1946380, 2335656, 2919570, 3114208, 3503484, 3892760, 4379355, 4671312, 5839140, 6228416, 7006968, 7785520, 8758710, 9342624, 11678280, 14013936, 15571040, 17517420, 18685248, 23356560, 28027872, 31142080, 35034840, 46713120, 56055744, 70069680, 93426240, 140139360, 280278720]

約数ペア:

[(1, 280278720), (2, 140139360), (3, 93426240), (4, 70069680), (5, 56055744), (6, 46713120), (8, 35034840), (9, 31142080), (10, 28027872), (12, 23356560), (15, 18685248), (16, 17517420), (18, 15571040), (20, 14013936), (24, 11678280), (30, 9342624), (32, 8758710), (36, 7785520), (40, 7006968), (45, 6228416), (48, 5839140), (60, 4671312), (64, 4379355), (72, 3892760), (80, 3503484), (90, 3114208), (96, 2919570), (120, 2335656), (144, 1946380), (160, 1751742), (180, 1557104), (192, 1459785), (240, 1167828), (288, 973190), (307, 912960), (317, 884160), (320, 875871), (360, 778552), (480, 583914), (576, 486595), (614, 456480), (634, 442080), (720, 389276), (921, 304320), (951, 294720), (960, 291957), (1228, 228240), (1268, 221040), (1440, 194638), (1535, 182592), (1585, 176832), (1842, 152160), (1902, 147360), (2456, 114120), (2536, 110520), (2763, 101440), (2853, 98240), (2880, 97319), (3070, 91296), (3170, 88416), (3684, 76080), (3804, 73680), (4605, 60864), (4755, 58944), (4912, 57060), (5072, 55260), (5526, 50720), (5706, 49120), (6140, 45648), (6340, 44208), (7368, 38040), (7608, 36840), (9210, 30432), (9510, 29472), (9824, 28530), (10144, 27630), (11052, 25360), (11412, 24560), (12280, 22824), (12680, 22104), (13815, 20288), (14265, 19648), (14736, 19020), (15216, 18420)]