90159440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1380

約数の個数: 80

約数和(自身を含む): 241591680

約数和(自身を除く): 151432240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1229, 1310, 1834, 2096, 2458, 2620, 3668, 4585, 4916, 5240, 6145, 7336, 8603, 9170, 9832, 10480, 12290, 14672, 17206, 18340, 19664, 24580, 34412, 36680, 43015, 49160, 68824, 73360, 86030, 98320, 137648, 160999, 172060, 321998, 344120, 643996, 688240, 804995, 1126993, 1287992, 1609990, 2253986, 2575984, 3219980, 4507972, 5634965, 6439960, 9015944, 11269930, 12879920, 18031888, 22539860, 45079720, 90159440]

約数ペア:

[(1, 90159440), (2, 45079720), (4, 22539860), (5, 18031888), (7, 12879920), (8, 11269930), (10, 9015944), (14, 6439960), (16, 5634965), (20, 4507972), (28, 3219980), (35, 2575984), (40, 2253986), (56, 1609990), (70, 1287992), (80, 1126993), (112, 804995), (131, 688240), (140, 643996), (262, 344120), (280, 321998), (524, 172060), (560, 160999), (655, 137648), (917, 98320), (1048, 86030), (1229, 73360), (1310, 68824), (1834, 49160), (2096, 43015), (2458, 36680), (2620, 34412), (3668, 24580), (4585, 19664), (4916, 18340), (5240, 17206), (6145, 14672), (7336, 12290), (8603, 10480), (9170, 9832)]