220186680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262127}}^1$

素因数の和:262148

約数の個数: 64

約数和(自身を含む): 754928640

約数和(自身を除く): 534741960

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, 262127, 524254, 786381, 1048508, 1310635, 1572762, 1834889, 2097016, 2621270, 3145524, 3669778, 3931905, 5242540, 5504667, 6291048, 7339556, 7863810, 9174445, 10485080, 11009334, 14679112, 15727620, 18348890, 22018668, 27523335, 31455240, 36697780, 44037336, 55046670, 73395560, 110093340, 220186680]

約数ペア:

[(1, 220186680), (2, 110093340), (3, 73395560), (4, 55046670), (5, 44037336), (6, 36697780), (7, 31455240), (8, 27523335), (10, 22018668), (12, 18348890), (14, 15727620), (15, 14679112), (20, 11009334), (21, 10485080), (24, 9174445), (28, 7863810), (30, 7339556), (35, 6291048), (40, 5504667), (42, 5242540), (56, 3931905), (60, 3669778), (70, 3145524), (84, 2621270), (105, 2097016), (120, 1834889), (140, 1572762), (168, 1310635), (210, 1048508), (280, 786381), (420, 524254), (840, 262127)]