255304080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2551}}^1$

素因数の和:2709

約数の個数: 120

約数和(自身を含む): 863903040

約数和(自身を除く): 608598960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 360, 417, 556, 695, 720, 834, 1112, 1251, 1390, 1668, 2085, 2224, 2502, 2551, 2780, 3336, 4170, 5004, 5102, 5560, 6255, 6672, 7653, 8340, 10008, 10204, 11120, 12510, 12755, 15306, 16680, 20016, 20408, 22959, 25020, 25510, 30612, 33360, 38265, 40816, 45918, 50040, 51020, 61224, 76530, 91836, 100080, 102040, 114795, 122448, 153060, 183672, 204080, 229590, 306120, 354589, 367344, 459180, 612240, 709178, 918360, 1063767, 1418356, 1772945, 1836720, 2127534, 2836712, 3191301, 3545890, 4255068, 5318835, 5673424, 6382602, 7091780, 8510136, 10637670, 12765204, 14183560, 15956505, 17020272, 21275340, 25530408, 28367120, 31913010, 42550680, 51060816, 63826020, 85101360, 127652040, 255304080]

約数ペア:

[(1, 255304080), (2, 127652040), (3, 85101360), (4, 63826020), (5, 51060816), (6, 42550680), (8, 31913010), (9, 28367120), (10, 25530408), (12, 21275340), (15, 17020272), (16, 15956505), (18, 14183560), (20, 12765204), (24, 10637670), (30, 8510136), (36, 7091780), (40, 6382602), (45, 5673424), (48, 5318835), (60, 4255068), (72, 3545890), (80, 3191301), (90, 2836712), (120, 2127534), (139, 1836720), (144, 1772945), (180, 1418356), (240, 1063767), (278, 918360), (360, 709178), (417, 612240), (556, 459180), (695, 367344), (720, 354589), (834, 306120), (1112, 229590), (1251, 204080), (1390, 183672), (1668, 153060), (2085, 122448), (2224, 114795), (2502, 102040), (2551, 100080), (2780, 91836), (3336, 76530), (4170, 61224), (5004, 51020), (5102, 50040), (5560, 45918), (6255, 40816), (6672, 38265), (7653, 33360), (8340, 30612), (10008, 25510), (10204, 25020), (11120, 22959), (12510, 20408), (12755, 20016), (15306, 16680)]