178250280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{701}}^1$

素因数の和:891

約数の個数: 128

約数和(自身を含む): 580245120

約数和(自身を除く): 401994840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 163, 195, 260, 312, 326, 390, 489, 520, 652, 701, 780, 815, 978, 1304, 1402, 1560, 1630, 1956, 2103, 2119, 2445, 2804, 3260, 3505, 3912, 4206, 4238, 4890, 5608, 6357, 6520, 7010, 8412, 8476, 9113, 9780, 10515, 10595, 12714, 14020, 16824, 16952, 18226, 19560, 21030, 21190, 25428, 27339, 28040, 31785, 36452, 42060, 42380, 45565, 50856, 54678, 63570, 72904, 84120, 84760, 91130, 109356, 114263, 127140, 136695, 182260, 218712, 228526, 254280, 273390, 342789, 364520, 457052, 546780, 571315, 685578, 914104, 1093560, 1142630, 1371156, 1485419, 1713945, 2285260, 2742312, 2970838, 3427890, 4456257, 4570520, 5941676, 6855780, 7427095, 8912514, 11883352, 13711560, 14854190, 17825028, 22281285, 29708380, 35650056, 44562570, 59416760, 89125140, 178250280]

約数ペア:

[(1, 178250280), (2, 89125140), (3, 59416760), (4, 44562570), (5, 35650056), (6, 29708380), (8, 22281285), (10, 17825028), (12, 14854190), (13, 13711560), (15, 11883352), (20, 8912514), (24, 7427095), (26, 6855780), (30, 5941676), (39, 4570520), (40, 4456257), (52, 3427890), (60, 2970838), (65, 2742312), (78, 2285260), (104, 1713945), (120, 1485419), (130, 1371156), (156, 1142630), (163, 1093560), (195, 914104), (260, 685578), (312, 571315), (326, 546780), (390, 457052), (489, 364520), (520, 342789), (652, 273390), (701, 254280), (780, 228526), (815, 218712), (978, 182260), (1304, 136695), (1402, 127140), (1560, 114263), (1630, 109356), (1956, 91130), (2103, 84760), (2119, 84120), (2445, 72904), (2804, 63570), (3260, 54678), (3505, 50856), (3912, 45565), (4206, 42380), (4238, 42060), (4890, 36452), (5608, 31785), (6357, 28040), (6520, 27339), (7010, 25428), (8412, 21190), (8476, 21030), (9113, 19560), (9780, 18226), (10515, 16952), (10595, 16824), (12714, 14020)]