68391120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40709}}^1$

素因数の和:40732

約数の個数: 80

約数和(自身を含む): 242305920

約数和(自身を除く): 173914800

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, 40709, 81418, 122127, 162836, 203545, 244254, 284963, 325672, 407090, 488508, 569926, 610635, 651344, 814180, 854889, 977016, 1139852, 1221270, 1424815, 1628360, 1709778, 1954032, 2279704, 2442540, 2849630, 3256720, 3419556, 4274445, 4559408, 4885080, 5699260, 6839112, 8548890, 9770160, 11398520, 13678224, 17097780, 22797040, 34195560, 68391120]

約数ペア:

[(1, 68391120), (2, 34195560), (3, 22797040), (4, 17097780), (5, 13678224), (6, 11398520), (7, 9770160), (8, 8548890), (10, 6839112), (12, 5699260), (14, 4885080), (15, 4559408), (16, 4274445), (20, 3419556), (21, 3256720), (24, 2849630), (28, 2442540), (30, 2279704), (35, 1954032), (40, 1709778), (42, 1628360), (48, 1424815), (56, 1221270), (60, 1139852), (70, 977016), (80, 854889), (84, 814180), (105, 651344), (112, 610635), (120, 569926), (140, 488508), (168, 407090), (210, 325672), (240, 284963), (280, 244254), (336, 203545), (420, 162836), (560, 122127), (840, 81418), (1680, 40709)]