18079380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 62584704

約数和(自身を除く): 44505324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 397, 414, 460, 495, 506, 660, 690, 759, 794, 828, 990, 1012, 1035, 1191, 1265, 1380, 1518, 1588, 1980, 1985, 2070, 2277, 2382, 2530, 3036, 3573, 3795, 3970, 4140, 4367, 4554, 4764, 5060, 5955, 7146, 7590, 7940, 8734, 9108, 9131, 11385, 11910, 13101, 14292, 15180, 17468, 17865, 18262, 21835, 22770, 23820, 26202, 27393, 35730, 36524, 39303, 43670, 45540, 45655, 52404, 54786, 65505, 71460, 78606, 82179, 87340, 91310, 100441, 109572, 131010, 136965, 157212, 164358, 182620, 196515, 200882, 262020, 273930, 301323, 328716, 393030, 401764, 410895, 502205, 547860, 602646, 786060, 821790, 903969, 1004410, 1205292, 1506615, 1643580, 1807938, 2008820, 3013230, 3615876, 4519845, 6026460, 9039690, 18079380]

約数ペア:

[(1, 18079380), (2, 9039690), (3, 6026460), (4, 4519845), (5, 3615876), (6, 3013230), (9, 2008820), (10, 1807938), (11, 1643580), (12, 1506615), (15, 1205292), (18, 1004410), (20, 903969), (22, 821790), (23, 786060), (30, 602646), (33, 547860), (36, 502205), (44, 410895), (45, 401764), (46, 393030), (55, 328716), (60, 301323), (66, 273930), (69, 262020), (90, 200882), (92, 196515), (99, 182620), (110, 164358), (115, 157212), (132, 136965), (138, 131010), (165, 109572), (180, 100441), (198, 91310), (207, 87340), (220, 82179), (230, 78606), (253, 71460), (276, 65505), (330, 54786), (345, 52404), (396, 45655), (397, 45540), (414, 43670), (460, 39303), (495, 36524), (506, 35730), (660, 27393), (690, 26202), (759, 23820), (794, 22770), (828, 21835), (990, 18262), (1012, 17865), (1035, 17468), (1191, 15180), (1265, 14292), (1380, 13101), (1518, 11910), (1588, 11385), (1980, 9131), (1985, 9108), (2070, 8734), (2277, 7940), (2382, 7590), (2530, 7146), (3036, 5955), (3573, 5060), (3795, 4764), (3970, 4554), (4140, 4367)]