78445080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{4447}}^1$

素因数の和:4478

約数の個数: 144

約数和(自身を含む): 296637120

約数和(自身を除く): 218192040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 4447, 5880, 8820, 8894, 13341, 17640, 17788, 22235, 26682, 31129, 35576, 40023, 44470, 53364, 62258, 66705, 80046, 88940, 93387, 106728, 124516, 133410, 155645, 160092, 177880, 186774, 200115, 217903, 249032, 266820, 280161, 311290, 320184, 373548, 400230, 435806, 466935, 533640, 560322, 622580, 653709, 747096, 800460, 871612, 933870, 1089515, 1120644, 1245160, 1307418, 1400805, 1600920, 1743224, 1867740, 1961127, 2179030, 2241288, 2614836, 2801610, 3268545, 3735480, 3922254, 4358060, 5229672, 5603220, 6537090, 7844508, 8716120, 9805635, 11206440, 13074180, 15689016, 19611270, 26148360, 39222540, 78445080]

約数ペア:

[(1, 78445080), (2, 39222540), (3, 26148360), (4, 19611270), (5, 15689016), (6, 13074180), (7, 11206440), (8, 9805635), (9, 8716120), (10, 7844508), (12, 6537090), (14, 5603220), (15, 5229672), (18, 4358060), (20, 3922254), (21, 3735480), (24, 3268545), (28, 2801610), (30, 2614836), (35, 2241288), (36, 2179030), (40, 1961127), (42, 1867740), (45, 1743224), (49, 1600920), (56, 1400805), (60, 1307418), (63, 1245160), (70, 1120644), (72, 1089515), (84, 933870), (90, 871612), (98, 800460), (105, 747096), (120, 653709), (126, 622580), (140, 560322), (147, 533640), (168, 466935), (180, 435806), (196, 400230), (210, 373548), (245, 320184), (252, 311290), (280, 280161), (294, 266820), (315, 249032), (360, 217903), (392, 200115), (420, 186774), (441, 177880), (490, 160092), (504, 155645), (588, 133410), (630, 124516), (735, 106728), (840, 93387), (882, 88940), (980, 80046), (1176, 66705), (1260, 62258), (1470, 53364), (1764, 44470), (1960, 40023), (2205, 35576), (2520, 31129), (2940, 26682), (3528, 22235), (4410, 17788), (4447, 17640), (5880, 13341), (8820, 8894)]