128264220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101797}}^1$

素因数の和:101819

約数の個数: 72

約数和(自身を含む): 444653664

約数和(自身を除く): 316389444

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, 101797, 203594, 305391, 407188, 508985, 610782, 712579, 916173, 1017970, 1221564, 1425158, 1526955, 1832346, 2035940, 2137737, 2850316, 3053910, 3562895, 3664692, 4275474, 4580865, 6107820, 6413211, 7125790, 8550948, 9161730, 10688685, 12826422, 14251580, 18323460, 21377370, 25652844, 32066055, 42754740, 64132110, 128264220]

約数ペア:

[(1, 128264220), (2, 64132110), (3, 42754740), (4, 32066055), (5, 25652844), (6, 21377370), (7, 18323460), (9, 14251580), (10, 12826422), (12, 10688685), (14, 9161730), (15, 8550948), (18, 7125790), (20, 6413211), (21, 6107820), (28, 4580865), (30, 4275474), (35, 3664692), (36, 3562895), (42, 3053910), (45, 2850316), (60, 2137737), (63, 2035940), (70, 1832346), (84, 1526955), (90, 1425158), (105, 1221564), (126, 1017970), (140, 916173), (180, 712579), (210, 610782), (252, 508985), (315, 407188), (420, 305391), (630, 203594), (1260, 101797)]