78156078

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^3$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 216513360

約数和(自身を除く): 138357282

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 49, 66, 77, 78, 91, 98, 121, 143, 147, 154, 169, 182, 231, 242, 273, 286, 294, 338, 363, 429, 462, 507, 539, 546, 637, 726, 847, 858, 1001, 1014, 1078, 1183, 1274, 1573, 1617, 1694, 1859, 1911, 2002, 2197, 2366, 2541, 3003, 3146, 3234, 3549, 3718, 3822, 4394, 4719, 5082, 5577, 5929, 6006, 6591, 7007, 7098, 8281, 9438, 11011, 11154, 11858, 13013, 13182, 14014, 15379, 16562, 17787, 20449, 21021, 22022, 24167, 24843, 26026, 30758, 33033, 35574, 39039, 40898, 42042, 46137, 48334, 49686, 61347, 66066, 72501, 77077, 78078, 91091, 92274, 107653, 122694, 143143, 145002, 154154, 169169, 182182, 215306, 231231, 265837, 273273, 286286, 322959, 338338, 429429, 462462, 507507, 531674, 546546, 645918, 797511, 858858, 1002001, 1015014, 1184183, 1595022, 1860859, 2004002, 2368366, 3006003, 3552549, 3721718, 5582577, 6012006, 7105098, 11165154, 13026013, 26052026, 39078039, 78156078]

約数ペア:

[(1, 78156078), (2, 39078039), (3, 26052026), (6, 13026013), (7, 11165154), (11, 7105098), (13, 6012006), (14, 5582577), (21, 3721718), (22, 3552549), (26, 3006003), (33, 2368366), (39, 2004002), (42, 1860859), (49, 1595022), (66, 1184183), (77, 1015014), (78, 1002001), (91, 858858), (98, 797511), (121, 645918), (143, 546546), (147, 531674), (154, 507507), (169, 462462), (182, 429429), (231, 338338), (242, 322959), (273, 286286), (286, 273273), (294, 265837), (338, 231231), (363, 215306), (429, 182182), (462, 169169), (507, 154154), (539, 145002), (546, 143143), (637, 122694), (726, 107653), (847, 92274), (858, 91091), (1001, 78078), (1014, 77077), (1078, 72501), (1183, 66066), (1274, 61347), (1573, 49686), (1617, 48334), (1694, 46137), (1859, 42042), (1911, 40898), (2002, 39039), (2197, 35574), (2366, 33033), (2541, 30758), (3003, 26026), (3146, 24843), (3234, 24167), (3549, 22022), (3718, 21021), (3822, 20449), (4394, 17787), (4719, 16562), (5082, 15379), (5577, 14014), (5929, 13182), (6006, 13013), (6591, 11858), (7007, 11154), (7098, 11011), (8281, 9438)]