55340040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{65881}}^1$

素因数の和:65902

約数の個数: 64

約数和(自身を含む): 189740160

約数和(自身を除く): 134400120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 65881, 131762, 197643, 263524, 329405, 395286, 461167, 527048, 658810, 790572, 922334, 988215, 1317620, 1383501, 1581144, 1844668, 1976430, 2305835, 2635240, 2767002, 3689336, 3952860, 4611670, 5534004, 6917505, 7905720, 9223340, 11068008, 13835010, 18446680, 27670020, 55340040]

約数ペア:

[(1, 55340040), (2, 27670020), (3, 18446680), (4, 13835010), (5, 11068008), (6, 9223340), (7, 7905720), (8, 6917505), (10, 5534004), (12, 4611670), (14, 3952860), (15, 3689336), (20, 2767002), (21, 2635240), (24, 2305835), (28, 1976430), (30, 1844668), (35, 1581144), (40, 1383501), (42, 1317620), (56, 988215), (60, 922334), (70, 790572), (84, 658810), (105, 527048), (120, 461167), (140, 395286), (168, 329405), (210, 263524), (280, 197643), (420, 131762), (840, 65881)]