81798360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97379}}^1$

素因数の和:97400

約数の個数: 64

約数和(自身を含む): 280454400

約数和(自身を除く): 198656040

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, 97379, 194758, 292137, 389516, 486895, 584274, 681653, 779032, 973790, 1168548, 1363306, 1460685, 1947580, 2044959, 2337096, 2726612, 2921370, 3408265, 3895160, 4089918, 5453224, 5842740, 6816530, 8179836, 10224795, 11685480, 13633060, 16359672, 20449590, 27266120, 40899180, 81798360]

約数ペア:

[(1, 81798360), (2, 40899180), (3, 27266120), (4, 20449590), (5, 16359672), (6, 13633060), (7, 11685480), (8, 10224795), (10, 8179836), (12, 6816530), (14, 5842740), (15, 5453224), (20, 4089918), (21, 3895160), (24, 3408265), (28, 2921370), (30, 2726612), (35, 2337096), (40, 2044959), (42, 1947580), (56, 1460685), (60, 1363306), (70, 1168548), (84, 973790), (105, 779032), (120, 681653), (140, 584274), (168, 486895), (210, 389516), (280, 292137), (420, 194758), (840, 97379)]