42742920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32381}}^1$

素因数の和:32406

約数の個数: 64

約数和(自身を含む): 139890240

約数和(自身を除く): 97147320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 32381, 64762, 97143, 129524, 161905, 194286, 259048, 323810, 356191, 388572, 485715, 647620, 712382, 777144, 971430, 1068573, 1295240, 1424764, 1780955, 1942860, 2137146, 2849528, 3561910, 3885720, 4274292, 5342865, 7123820, 8548584, 10685730, 14247640, 21371460, 42742920]

約数ペア:

[(1, 42742920), (2, 21371460), (3, 14247640), (4, 10685730), (5, 8548584), (6, 7123820), (8, 5342865), (10, 4274292), (11, 3885720), (12, 3561910), (15, 2849528), (20, 2137146), (22, 1942860), (24, 1780955), (30, 1424764), (33, 1295240), (40, 1068573), (44, 971430), (55, 777144), (60, 712382), (66, 647620), (88, 485715), (110, 388572), (120, 356191), (132, 323810), (165, 259048), (220, 194286), (264, 161905), (330, 129524), (440, 97143), (660, 64762), (1320, 32381)]