164538720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{701}}^1$

素因数の和:885

約数の個数: 144

約数和(自身を含む): 565738992

約数和(自身を除く): 401200272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 163, 180, 240, 288, 326, 360, 480, 489, 652, 701, 720, 815, 978, 1304, 1402, 1440, 1467, 1630, 1956, 2103, 2445, 2608, 2804, 2934, 3260, 3505, 3912, 4206, 4890, 5216, 5608, 5868, 6309, 6520, 7010, 7335, 7824, 8412, 9780, 10515, 11216, 11736, 12618, 13040, 14020, 14670, 15648, 16824, 19560, 21030, 22432, 23472, 25236, 26080, 28040, 29340, 31545, 33648, 39120, 42060, 46944, 50472, 56080, 58680, 63090, 67296, 78240, 84120, 100944, 112160, 114263, 117360, 126180, 168240, 201888, 228526, 234720, 252360, 336480, 342789, 457052, 504720, 571315, 685578, 914104, 1009440, 1028367, 1142630, 1371156, 1713945, 1828208, 2056734, 2285260, 2742312, 3427890, 3656416, 4113468, 4570520, 5141835, 5484624, 6855780, 8226936, 9141040, 10283670, 10969248, 13711560, 16453872, 18282080, 20567340, 27423120, 32907744, 41134680, 54846240, 82269360, 164538720]

約数ペア:

[(1, 164538720), (2, 82269360), (3, 54846240), (4, 41134680), (5, 32907744), (6, 27423120), (8, 20567340), (9, 18282080), (10, 16453872), (12, 13711560), (15, 10969248), (16, 10283670), (18, 9141040), (20, 8226936), (24, 6855780), (30, 5484624), (32, 5141835), (36, 4570520), (40, 4113468), (45, 3656416), (48, 3427890), (60, 2742312), (72, 2285260), (80, 2056734), (90, 1828208), (96, 1713945), (120, 1371156), (144, 1142630), (160, 1028367), (163, 1009440), (180, 914104), (240, 685578), (288, 571315), (326, 504720), (360, 457052), (480, 342789), (489, 336480), (652, 252360), (701, 234720), (720, 228526), (815, 201888), (978, 168240), (1304, 126180), (1402, 117360), (1440, 114263), (1467, 112160), (1630, 100944), (1956, 84120), (2103, 78240), (2445, 67296), (2608, 63090), (2804, 58680), (2934, 56080), (3260, 50472), (3505, 46944), (3912, 42060), (4206, 39120), (4890, 33648), (5216, 31545), (5608, 29340), (5868, 28040), (6309, 26080), (6520, 25236), (7010, 23472), (7335, 22432), (7824, 21030), (8412, 19560), (9780, 16824), (10515, 15648), (11216, 14670), (11736, 14020), (12618, 13040)]