80180400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:743

約数の個数: 120

約数和(自身を含む): 259623760

約数和(自身を除く): 179443360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 109, 120, 150, 200, 218, 240, 300, 327, 400, 436, 545, 600, 613, 654, 872, 1090, 1200, 1226, 1308, 1635, 1744, 1839, 2180, 2452, 2616, 2725, 3065, 3270, 3678, 4360, 4904, 5232, 5450, 6130, 6540, 7356, 8175, 8720, 9195, 9808, 10900, 12260, 13080, 14712, 15325, 16350, 18390, 21800, 24520, 26160, 29424, 30650, 32700, 36780, 43600, 45975, 49040, 61300, 65400, 66817, 73560, 91950, 122600, 130800, 133634, 147120, 183900, 200451, 245200, 267268, 334085, 367800, 400902, 534536, 668170, 735600, 801804, 1002255, 1069072, 1336340, 1603608, 1670425, 2004510, 2672680, 3207216, 3340850, 4009020, 5011275, 5345360, 6681700, 8018040, 10022550, 13363400, 16036080, 20045100, 26726800, 40090200, 80180400]

約数ペア:

[(1, 80180400), (2, 40090200), (3, 26726800), (4, 20045100), (5, 16036080), (6, 13363400), (8, 10022550), (10, 8018040), (12, 6681700), (15, 5345360), (16, 5011275), (20, 4009020), (24, 3340850), (25, 3207216), (30, 2672680), (40, 2004510), (48, 1670425), (50, 1603608), (60, 1336340), (75, 1069072), (80, 1002255), (100, 801804), (109, 735600), (120, 668170), (150, 534536), (200, 400902), (218, 367800), (240, 334085), (300, 267268), (327, 245200), (400, 200451), (436, 183900), (545, 147120), (600, 133634), (613, 130800), (654, 122600), (872, 91950), (1090, 73560), (1200, 66817), (1226, 65400), (1308, 61300), (1635, 49040), (1744, 45975), (1839, 43600), (2180, 36780), (2452, 32700), (2616, 30650), (2725, 29424), (3065, 26160), (3270, 24520), (3678, 21800), (4360, 18390), (4904, 16350), (5232, 15325), (5450, 14712), (6130, 13080), (6540, 12260), (7356, 10900), (8175, 9808), (8720, 9195)]