20508749280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{241393}}^1$

素因数の和:241473

約数の個数: 144

約数和(自身を含む): 71172606960

約数和(自身を除く): 50663857680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 288, 295, 354, 360, 472, 480, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1440, 1770, 1888, 2124, 2360, 2655, 2832, 3540, 4248, 4720, 5310, 5664, 7080, 8496, 9440, 10620, 14160, 16992, 21240, 28320, 42480, 84960, 241393, 482786, 724179, 965572, 1206965, 1448358, 1931144, 2172537, 2413930, 2896716, 3620895, 3862288, 4345074, 4827860, 5793432, 7241790, 7724576, 8690148, 9655720, 10862685, 11586864, 14242187, 14483580, 17380296, 19311440, 21725370, 23173728, 28484374, 28967160, 34760592, 38622880, 42726561, 43450740, 56968748, 57934320, 69521184, 71210935, 85453122, 86901480, 113937496, 115868640, 128179683, 142421870, 170906244, 173802960, 213632805, 227874992, 256359366, 284843740, 341812488, 347605920, 427265610, 455749984, 512718732, 569687480, 640898415, 683624976, 854531220, 1025437464, 1139374960, 1281796830, 1367249952, 1709062440, 2050874928, 2278749920, 2563593660, 3418124880, 4101749856, 5127187320, 6836249760, 10254374640, 20508749280]

約数ペア:

[(1, 20508749280), (2, 10254374640), (3, 6836249760), (4, 5127187320), (5, 4101749856), (6, 3418124880), (8, 2563593660), (9, 2278749920), (10, 2050874928), (12, 1709062440), (15, 1367249952), (16, 1281796830), (18, 1139374960), (20, 1025437464), (24, 854531220), (30, 683624976), (32, 640898415), (36, 569687480), (40, 512718732), (45, 455749984), (48, 427265610), (59, 347605920), (60, 341812488), (72, 284843740), (80, 256359366), (90, 227874992), (96, 213632805), (118, 173802960), (120, 170906244), (144, 142421870), (160, 128179683), (177, 115868640), (180, 113937496), (236, 86901480), (240, 85453122), (288, 71210935), (295, 69521184), (354, 57934320), (360, 56968748), (472, 43450740), (480, 42726561), (531, 38622880), (590, 34760592), (708, 28967160), (720, 28484374), (885, 23173728), (944, 21725370), (1062, 19311440), (1180, 17380296), (1416, 14483580), (1440, 14242187), (1770, 11586864), (1888, 10862685), (2124, 9655720), (2360, 8690148), (2655, 7724576), (2832, 7241790), (3540, 5793432), (4248, 4827860), (4720, 4345074), (5310, 3862288), (5664, 3620895), (7080, 2896716), (8496, 2413930), (9440, 2172537), (10620, 1931144), (14160, 1448358), (16992, 1206965), (21240, 965572), (28320, 724179), (42480, 482786), (84960, 241393)]