28784280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34267}}^1$

素因数の和:34288

約数の個数: 64

約数和(自身を含む): 98691840

約数和(自身を除く): 69907560

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, 34267, 68534, 102801, 137068, 171335, 205602, 239869, 274136, 342670, 411204, 479738, 514005, 685340, 719607, 822408, 959476, 1028010, 1199345, 1370680, 1439214, 1918952, 2056020, 2398690, 2878428, 3598035, 4112040, 4797380, 5756856, 7196070, 9594760, 14392140, 28784280]

約数ペア:

[(1, 28784280), (2, 14392140), (3, 9594760), (4, 7196070), (5, 5756856), (6, 4797380), (7, 4112040), (8, 3598035), (10, 2878428), (12, 2398690), (14, 2056020), (15, 1918952), (20, 1439214), (21, 1370680), (24, 1199345), (28, 1028010), (30, 959476), (35, 822408), (40, 719607), (42, 685340), (56, 514005), (60, 479738), (70, 411204), (84, 342670), (105, 274136), (120, 239869), (140, 205602), (168, 171335), (210, 137068), (280, 102801), (420, 68534), (840, 34267)]