639749340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3623}}^1$

素因数の和:3753

約数の個数: 120

約数和(自身を含む): 2025888480

約数和(自身を除く): 1386139140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 109, 135, 162, 180, 218, 270, 324, 327, 405, 436, 540, 545, 654, 810, 981, 1090, 1308, 1620, 1635, 1962, 2180, 2943, 3270, 3623, 3924, 4905, 5886, 6540, 7246, 8829, 9810, 10869, 11772, 14492, 14715, 17658, 18115, 19620, 21738, 29430, 32607, 35316, 36230, 43476, 44145, 54345, 58860, 65214, 72460, 88290, 97821, 108690, 130428, 163035, 176580, 195642, 217380, 293463, 326070, 391284, 394907, 489105, 586926, 652140, 789814, 978210, 1173852, 1184721, 1467315, 1579628, 1956420, 1974535, 2369442, 2934630, 3554163, 3949070, 4738884, 5869260, 5923605, 7108326, 7898140, 10662489, 11847210, 14216652, 17770815, 21324978, 23694420, 31987467, 35541630, 42649956, 53312445, 63974934, 71083260, 106624890, 127949868, 159937335, 213249780, 319874670, 639749340]

約数ペア:

[(1, 639749340), (2, 319874670), (3, 213249780), (4, 159937335), (5, 127949868), (6, 106624890), (9, 71083260), (10, 63974934), (12, 53312445), (15, 42649956), (18, 35541630), (20, 31987467), (27, 23694420), (30, 21324978), (36, 17770815), (45, 14216652), (54, 11847210), (60, 10662489), (81, 7898140), (90, 7108326), (108, 5923605), (109, 5869260), (135, 4738884), (162, 3949070), (180, 3554163), (218, 2934630), (270, 2369442), (324, 1974535), (327, 1956420), (405, 1579628), (436, 1467315), (540, 1184721), (545, 1173852), (654, 978210), (810, 789814), (981, 652140), (1090, 586926), (1308, 489105), (1620, 394907), (1635, 391284), (1962, 326070), (2180, 293463), (2943, 217380), (3270, 195642), (3623, 176580), (3924, 163035), (4905, 130428), (5886, 108690), (6540, 97821), (7246, 88290), (8829, 72460), (9810, 65214), (10869, 58860), (11772, 54345), (14492, 44145), (14715, 43476), (17658, 36230), (18115, 35316), (19620, 32607), (21738, 29430)]