826639380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{656063}}^1$

素因数の和:656085

約数の個数: 72

約数和(自身を含む): 2865687552

約数和(自身を除く): 2039048172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 656063, 1312126, 1968189, 2624252, 3280315, 3936378, 4592441, 5904567, 6560630, 7872756, 9184882, 9840945, 11809134, 13121260, 13777323, 18369764, 19681890, 22962205, 23618268, 27554646, 29522835, 39363780, 41331969, 45924410, 55109292, 59045670, 68886615, 82663938, 91848820, 118091340, 137773230, 165327876, 206659845, 275546460, 413319690, 826639380]

約数ペア:

[(1, 826639380), (2, 413319690), (3, 275546460), (4, 206659845), (5, 165327876), (6, 137773230), (7, 118091340), (9, 91848820), (10, 82663938), (12, 68886615), (14, 59045670), (15, 55109292), (18, 45924410), (20, 41331969), (21, 39363780), (28, 29522835), (30, 27554646), (35, 23618268), (36, 22962205), (42, 19681890), (45, 18369764), (60, 13777323), (63, 13121260), (70, 11809134), (84, 9840945), (90, 9184882), (105, 7872756), (126, 6560630), (140, 5904567), (180, 4592441), (210, 3936378), (252, 3280315), (315, 2624252), (420, 1968189), (630, 1312126), (1260, 656063)]