513936640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1399}}^1$

素因数の和:1468

約数の個数: 144

約数和(自身を含む): 1442246400

約数和(自身を除く): 928309760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 140, 160, 164, 205, 224, 256, 280, 287, 320, 328, 410, 448, 560, 574, 640, 656, 820, 896, 1120, 1148, 1280, 1312, 1399, 1435, 1640, 1792, 2240, 2296, 2624, 2798, 2870, 3280, 4480, 4592, 5248, 5596, 5740, 6560, 6995, 8960, 9184, 9793, 10496, 11192, 11480, 13120, 13990, 18368, 19586, 22384, 22960, 26240, 27980, 36736, 39172, 44768, 45920, 48965, 52480, 55960, 57359, 73472, 78344, 89536, 91840, 97930, 111920, 114718, 156688, 179072, 183680, 195860, 223840, 229436, 286795, 313376, 358144, 367360, 391720, 401513, 447680, 458872, 573590, 626752, 783440, 803026, 895360, 917744, 1147180, 1253504, 1566880, 1606052, 1790720, 1835488, 2007565, 2294360, 2507008, 3133760, 3212104, 3670976, 4015130, 4588720, 6267520, 6424208, 7341952, 8030260, 9177440, 12535040, 12848416, 14683904, 16060520, 18354880, 25696832, 32121040, 36709760, 51393664, 64242080, 73419520, 102787328, 128484160, 256968320, 513936640]

約数ペア:

[(1, 513936640), (2, 256968320), (4, 128484160), (5, 102787328), (7, 73419520), (8, 64242080), (10, 51393664), (14, 36709760), (16, 32121040), (20, 25696832), (28, 18354880), (32, 16060520), (35, 14683904), (40, 12848416), (41, 12535040), (56, 9177440), (64, 8030260), (70, 7341952), (80, 6424208), (82, 6267520), (112, 4588720), (128, 4015130), (140, 3670976), (160, 3212104), (164, 3133760), (205, 2507008), (224, 2294360), (256, 2007565), (280, 1835488), (287, 1790720), (320, 1606052), (328, 1566880), (410, 1253504), (448, 1147180), (560, 917744), (574, 895360), (640, 803026), (656, 783440), (820, 626752), (896, 573590), (1120, 458872), (1148, 447680), (1280, 401513), (1312, 391720), (1399, 367360), (1435, 358144), (1640, 313376), (1792, 286795), (2240, 229436), (2296, 223840), (2624, 195860), (2798, 183680), (2870, 179072), (3280, 156688), (4480, 114718), (4592, 111920), (5248, 97930), (5596, 91840), (5740, 89536), (6560, 78344), (6995, 73472), (8960, 57359), (9184, 55960), (9793, 52480), (10496, 48965), (11192, 45920), (11480, 44768), (13120, 39172), (13990, 36736), (18368, 27980), (19586, 26240), (22384, 22960)]