1820651280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1083721}}^1$

素因数の和:1083744

約数の個数: 80

約数和(自身を含む): 6450313344

約数和(自身を除く): 4629662064

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, 1083721, 2167442, 3251163, 4334884, 5418605, 6502326, 7586047, 8669768, 10837210, 13004652, 15172094, 16255815, 17339536, 21674420, 22758141, 26009304, 30344188, 32511630, 37930235, 43348840, 45516282, 52018608, 60688376, 65023260, 75860470, 86697680, 91032564, 113790705, 121376752, 130046520, 151720940, 182065128, 227581410, 260093040, 303441880, 364130256, 455162820, 606883760, 910325640, 1820651280]

約数ペア:

[(1, 1820651280), (2, 910325640), (3, 606883760), (4, 455162820), (5, 364130256), (6, 303441880), (7, 260093040), (8, 227581410), (10, 182065128), (12, 151720940), (14, 130046520), (15, 121376752), (16, 113790705), (20, 91032564), (21, 86697680), (24, 75860470), (28, 65023260), (30, 60688376), (35, 52018608), (40, 45516282), (42, 43348840), (48, 37930235), (56, 32511630), (60, 30344188), (70, 26009304), (80, 22758141), (84, 21674420), (105, 17339536), (112, 16255815), (120, 15172094), (140, 13004652), (168, 10837210), (210, 8669768), (240, 7586047), (280, 6502326), (336, 5418605), (420, 4334884), (560, 3251163), (840, 2167442), (1680, 1083721)]