81772560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{829}}^1$

素因数の和:985

約数の個数: 120

約数和(自身を含む): 276957720

約数和(自身を除く): 195185160

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, 137, 144, 180, 240, 274, 360, 411, 548, 685, 720, 822, 829, 1096, 1233, 1370, 1644, 1658, 2055, 2192, 2466, 2487, 2740, 3288, 3316, 4110, 4145, 4932, 4974, 5480, 6165, 6576, 6632, 7461, 8220, 8290, 9864, 9948, 10960, 12330, 12435, 13264, 14922, 16440, 16580, 19728, 19896, 24660, 24870, 29844, 32880, 33160, 37305, 39792, 49320, 49740, 59688, 66320, 74610, 98640, 99480, 113573, 119376, 149220, 198960, 227146, 298440, 340719, 454292, 567865, 596880, 681438, 908584, 1022157, 1135730, 1362876, 1703595, 1817168, 2044314, 2271460, 2725752, 3407190, 4088628, 4542920, 5110785, 5451504, 6814380, 8177256, 9085840, 10221570, 13628760, 16354512, 20443140, 27257520, 40886280, 81772560]

約数ペア:

[(1, 81772560), (2, 40886280), (3, 27257520), (4, 20443140), (5, 16354512), (6, 13628760), (8, 10221570), (9, 9085840), (10, 8177256), (12, 6814380), (15, 5451504), (16, 5110785), (18, 4542920), (20, 4088628), (24, 3407190), (30, 2725752), (36, 2271460), (40, 2044314), (45, 1817168), (48, 1703595), (60, 1362876), (72, 1135730), (80, 1022157), (90, 908584), (120, 681438), (137, 596880), (144, 567865), (180, 454292), (240, 340719), (274, 298440), (360, 227146), (411, 198960), (548, 149220), (685, 119376), (720, 113573), (822, 99480), (829, 98640), (1096, 74610), (1233, 66320), (1370, 59688), (1644, 49740), (1658, 49320), (2055, 39792), (2192, 37305), (2466, 33160), (2487, 32880), (2740, 29844), (3288, 24870), (3316, 24660), (4110, 19896), (4145, 19728), (4932, 16580), (4974, 16440), (5480, 14922), (6165, 13264), (6576, 12435), (6632, 12330), (7461, 10960), (8220, 9948), (8290, 9864)]