176928640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:640

約数の個数: 128

約数和(自身を含む): 490921920

約数和(自身を除く): 313993280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 541, 560, 584, 640, 730, 896, 1022, 1082, 1120, 1168, 1460, 2044, 2164, 2240, 2336, 2555, 2705, 2920, 3787, 4088, 4328, 4480, 4672, 5110, 5410, 5840, 7574, 8176, 8656, 9344, 10220, 10820, 11680, 15148, 16352, 17312, 18935, 20440, 21640, 23360, 30296, 32704, 34624, 37870, 39493, 40880, 43280, 46720, 60592, 65408, 69248, 75740, 78986, 81760, 86560, 121184, 151480, 157972, 163520, 173120, 197465, 242368, 276451, 302960, 315944, 327040, 346240, 394930, 484736, 552902, 605920, 631888, 789860, 1105804, 1211840, 1263776, 1382255, 1579720, 2211608, 2423680, 2527552, 2764510, 3159440, 4423216, 5055104, 5529020, 6318880, 8846432, 11058040, 12637760, 17692864, 22116080, 25275520, 35385728, 44232160, 88464320, 176928640]

約数ペア:

[(1, 176928640), (2, 88464320), (4, 44232160), (5, 35385728), (7, 25275520), (8, 22116080), (10, 17692864), (14, 12637760), (16, 11058040), (20, 8846432), (28, 6318880), (32, 5529020), (35, 5055104), (40, 4423216), (56, 3159440), (64, 2764510), (70, 2527552), (73, 2423680), (80, 2211608), (112, 1579720), (128, 1382255), (140, 1263776), (146, 1211840), (160, 1105804), (224, 789860), (280, 631888), (292, 605920), (320, 552902), (365, 484736), (448, 394930), (511, 346240), (541, 327040), (560, 315944), (584, 302960), (640, 276451), (730, 242368), (896, 197465), (1022, 173120), (1082, 163520), (1120, 157972), (1168, 151480), (1460, 121184), (2044, 86560), (2164, 81760), (2240, 78986), (2336, 75740), (2555, 69248), (2705, 65408), (2920, 60592), (3787, 46720), (4088, 43280), (4328, 40880), (4480, 39493), (4672, 37870), (5110, 34624), (5410, 32704), (5840, 30296), (7574, 23360), (8176, 21640), (8656, 20440), (9344, 18935), (10220, 17312), (10820, 16352), (11680, 15148)]