81686640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48623}}^1$

素因数の和:48646

約数の個数: 80

約数和(自身を含む): 289410048

約数和(自身を除く): 207723408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48623, 97246, 145869, 194492, 243115, 291738, 340361, 388984, 486230, 583476, 680722, 729345, 777968, 972460, 1021083, 1166952, 1361444, 1458690, 1701805, 1944920, 2042166, 2333904, 2722888, 2917380, 3403610, 3889840, 4084332, 5105415, 5445776, 5834760, 6807220, 8168664, 10210830, 11669520, 13614440, 16337328, 20421660, 27228880, 40843320, 81686640]

約数ペア:

[(1, 81686640), (2, 40843320), (3, 27228880), (4, 20421660), (5, 16337328), (6, 13614440), (7, 11669520), (8, 10210830), (10, 8168664), (12, 6807220), (14, 5834760), (15, 5445776), (16, 5105415), (20, 4084332), (21, 3889840), (24, 3403610), (28, 2917380), (30, 2722888), (35, 2333904), (40, 2042166), (42, 1944920), (48, 1701805), (56, 1458690), (60, 1361444), (70, 1166952), (80, 1021083), (84, 972460), (105, 777968), (112, 729345), (120, 680722), (140, 583476), (168, 486230), (210, 388984), (240, 340361), (280, 291738), (336, 243115), (420, 194492), (560, 145869), (840, 97246), (1680, 48623)]