31439280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1297}}^1$

素因数の和:1414

約数の個数: 80

約数和(自身を含む): 98502624

約数和(自身を除く): 67063344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1297, 1515, 1616, 2020, 2424, 2594, 3030, 3891, 4040, 4848, 5188, 6060, 6485, 7782, 8080, 10376, 12120, 12970, 15564, 19455, 20752, 24240, 25940, 31128, 38910, 51880, 62256, 77820, 103760, 130997, 155640, 261994, 311280, 392991, 523988, 654985, 785982, 1047976, 1309970, 1571964, 1964955, 2095952, 2619940, 3143928, 3929910, 5239880, 6287856, 7859820, 10479760, 15719640, 31439280]

約数ペア:

[(1, 31439280), (2, 15719640), (3, 10479760), (4, 7859820), (5, 6287856), (6, 5239880), (8, 3929910), (10, 3143928), (12, 2619940), (15, 2095952), (16, 1964955), (20, 1571964), (24, 1309970), (30, 1047976), (40, 785982), (48, 654985), (60, 523988), (80, 392991), (101, 311280), (120, 261994), (202, 155640), (240, 130997), (303, 103760), (404, 77820), (505, 62256), (606, 51880), (808, 38910), (1010, 31128), (1212, 25940), (1297, 24240), (1515, 20752), (1616, 19455), (2020, 15564), (2424, 12970), (2594, 12120), (3030, 10376), (3891, 8080), (4040, 7782), (4848, 6485), (5188, 6060)]