1291920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{769}}^1$

素因数の和:792

約数の個数: 80

約数和(自身を含む): 4583040

約数和(自身を除く): 3291120

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, 769, 840, 1538, 1680, 2307, 3076, 3845, 4614, 5383, 6152, 7690, 9228, 10766, 11535, 12304, 15380, 16149, 18456, 21532, 23070, 26915, 30760, 32298, 36912, 43064, 46140, 53830, 61520, 64596, 80745, 86128, 92280, 107660, 129192, 161490, 184560, 215320, 258384, 322980, 430640, 645960, 1291920]

約数ペア:

[(1, 1291920), (2, 645960), (3, 430640), (4, 322980), (5, 258384), (6, 215320), (7, 184560), (8, 161490), (10, 129192), (12, 107660), (14, 92280), (15, 86128), (16, 80745), (20, 64596), (21, 61520), (24, 53830), (28, 46140), (30, 43064), (35, 36912), (40, 32298), (42, 30760), (48, 26915), (56, 23070), (60, 21532), (70, 18456), (80, 16149), (84, 15380), (105, 12304), (112, 11535), (120, 10766), (140, 9228), (168, 7690), (210, 6152), (240, 5383), (280, 4614), (336, 3845), (420, 3076), (560, 2307), (769, 1680), (840, 1538)]