77728140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{20563}}^1$

素因数の和:20588

約数の個数: 96

約数和(自身を含む): 276380160

約数和(自身を除く): 198652020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 20563, 41126, 61689, 82252, 102815, 123378, 143941, 185067, 205630, 246756, 287882, 308445, 370134, 411260, 431823, 555201, 575764, 616890, 719705, 740268, 863646, 925335, 1110402, 1233780, 1295469, 1439410, 1727292, 1850670, 2159115, 2220804, 2590938, 2776005, 2878820, 3701340, 3886407, 4318230, 5181876, 5552010, 6477345, 7772814, 8636460, 11104020, 12954690, 15545628, 19432035, 25909380, 38864070, 77728140]

約数ペア:

[(1, 77728140), (2, 38864070), (3, 25909380), (4, 19432035), (5, 15545628), (6, 12954690), (7, 11104020), (9, 8636460), (10, 7772814), (12, 6477345), (14, 5552010), (15, 5181876), (18, 4318230), (20, 3886407), (21, 3701340), (27, 2878820), (28, 2776005), (30, 2590938), (35, 2220804), (36, 2159115), (42, 1850670), (45, 1727292), (54, 1439410), (60, 1295469), (63, 1233780), (70, 1110402), (84, 925335), (90, 863646), (105, 740268), (108, 719705), (126, 616890), (135, 575764), (140, 555201), (180, 431823), (189, 411260), (210, 370134), (252, 308445), (270, 287882), (315, 246756), (378, 205630), (420, 185067), (540, 143941), (630, 123378), (756, 102815), (945, 82252), (1260, 61689), (1890, 41126), (3780, 20563)]