18680455920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11119319}}^1$

素因数の和:11119342

約数の個数: 80

約数和(自身を含む): 66182192640

約数和(自身を除く): 47501736720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11119319, 22238638, 33357957, 44477276, 55596595, 66715914, 77835233, 88954552, 111193190, 133431828, 155670466, 166789785, 177909104, 222386380, 233505699, 266863656, 311340932, 333579570, 389176165, 444772760, 467011398, 533727312, 622681864, 667159140, 778352330, 889545520, 934022796, 1167528495, 1245363728, 1334318280, 1556704660, 1868045592, 2335056990, 2668636560, 3113409320, 3736091184, 4670113980, 6226818640, 9340227960, 18680455920]

約数ペア:

[(1, 18680455920), (2, 9340227960), (3, 6226818640), (4, 4670113980), (5, 3736091184), (6, 3113409320), (7, 2668636560), (8, 2335056990), (10, 1868045592), (12, 1556704660), (14, 1334318280), (15, 1245363728), (16, 1167528495), (20, 934022796), (21, 889545520), (24, 778352330), (28, 667159140), (30, 622681864), (35, 533727312), (40, 467011398), (42, 444772760), (48, 389176165), (56, 333579570), (60, 311340932), (70, 266863656), (80, 233505699), (84, 222386380), (105, 177909104), (112, 166789785), (120, 155670466), (140, 133431828), (168, 111193190), (210, 88954552), (240, 77835233), (280, 66715914), (336, 55596595), (420, 44477276), (560, 33357957), (840, 22238638), (1680, 11119319)]