1316920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 3356640

約数和(自身を除く): 2039720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 73, 82, 88, 110, 146, 164, 205, 220, 292, 328, 365, 410, 440, 451, 584, 730, 803, 820, 902, 1460, 1606, 1640, 1804, 2255, 2920, 2993, 3212, 3608, 4015, 4510, 5986, 6424, 8030, 9020, 11972, 14965, 16060, 18040, 23944, 29930, 32120, 32923, 59860, 65846, 119720, 131692, 164615, 263384, 329230, 658460, 1316920]

約数ペア:

[(1, 1316920), (2, 658460), (4, 329230), (5, 263384), (8, 164615), (10, 131692), (11, 119720), (20, 65846), (22, 59860), (40, 32923), (41, 32120), (44, 29930), (55, 23944), (73, 18040), (82, 16060), (88, 14965), (110, 11972), (146, 9020), (164, 8030), (205, 6424), (220, 5986), (292, 4510), (328, 4015), (365, 3608), (410, 3212), (440, 2993), (451, 2920), (584, 2255), (730, 1804), (803, 1640), (820, 1606), (902, 1460)]