2780520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 128

約数和(自身を含む): 9331200

約数和(自身を除く): 6550680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 34, 40, 47, 51, 58, 60, 68, 85, 87, 94, 102, 116, 120, 136, 141, 145, 170, 174, 188, 204, 232, 235, 255, 282, 290, 340, 348, 376, 408, 435, 470, 493, 510, 564, 580, 680, 696, 705, 799, 870, 940, 986, 1020, 1128, 1160, 1363, 1410, 1479, 1598, 1740, 1880, 1972, 2040, 2397, 2465, 2726, 2820, 2958, 3196, 3480, 3944, 3995, 4089, 4794, 4930, 5452, 5640, 5916, 6392, 6815, 7395, 7990, 8178, 9588, 9860, 10904, 11832, 11985, 13630, 14790, 15980, 16356, 19176, 19720, 20445, 23171, 23970, 27260, 29580, 31960, 32712, 40890, 46342, 47940, 54520, 59160, 69513, 81780, 92684, 95880, 115855, 139026, 163560, 185368, 231710, 278052, 347565, 463420, 556104, 695130, 926840, 1390260, 2780520]

約数ペア:

[(1, 2780520), (2, 1390260), (3, 926840), (4, 695130), (5, 556104), (6, 463420), (8, 347565), (10, 278052), (12, 231710), (15, 185368), (17, 163560), (20, 139026), (24, 115855), (29, 95880), (30, 92684), (34, 81780), (40, 69513), (47, 59160), (51, 54520), (58, 47940), (60, 46342), (68, 40890), (85, 32712), (87, 31960), (94, 29580), (102, 27260), (116, 23970), (120, 23171), (136, 20445), (141, 19720), (145, 19176), (170, 16356), (174, 15980), (188, 14790), (204, 13630), (232, 11985), (235, 11832), (255, 10904), (282, 9860), (290, 9588), (340, 8178), (348, 7990), (376, 7395), (408, 6815), (435, 6392), (470, 5916), (493, 5640), (510, 5452), (564, 4930), (580, 4794), (680, 4089), (696, 3995), (705, 3944), (799, 3480), (870, 3196), (940, 2958), (986, 2820), (1020, 2726), (1128, 2465), (1160, 2397), (1363, 2040), (1410, 1972), (1479, 1880), (1598, 1740)]