256968320

素因数分解:

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

素因数の和:1466

約数の個数: 128

約数和(自身を含む): 719712000

約数和(自身を除く): 462743680

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, 280, 287, 320, 328, 410, 448, 560, 574, 640, 656, 820, 896, 1120, 1148, 1312, 1399, 1435, 1640, 2240, 2296, 2624, 2798, 2870, 3280, 4480, 4592, 5248, 5596, 5740, 6560, 6995, 9184, 9793, 11192, 11480, 13120, 13990, 18368, 19586, 22384, 22960, 26240, 27980, 36736, 39172, 44768, 45920, 48965, 55960, 57359, 78344, 89536, 91840, 97930, 111920, 114718, 156688, 179072, 183680, 195860, 223840, 229436, 286795, 313376, 391720, 401513, 447680, 458872, 573590, 626752, 783440, 803026, 895360, 917744, 1147180, 1253504, 1566880, 1606052, 1835488, 2007565, 2294360, 3133760, 3212104, 3670976, 4015130, 4588720, 6267520, 6424208, 7341952, 8030260, 9177440, 12848416, 16060520, 18354880, 25696832, 32121040, 36709760, 51393664, 64242080, 128484160, 256968320]

約数ペア:

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