378777780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15139}}^1$

素因数の和:15293

約数の個数: 72

約数和(自身を含む): 1157301600

約数和(自身を除く): 778523820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 15139, 25020, 30278, 45417, 60556, 75695, 90834, 136251, 151390, 181668, 227085, 272502, 302780, 454170, 545004, 681255, 908340, 1362510, 2104321, 2725020, 4208642, 6312963, 8417284, 10521605, 12625926, 18938889, 21043210, 25251852, 31564815, 37877778, 42086420, 63129630, 75755556, 94694445, 126259260, 189388890, 378777780]

約数ペア:

[(1, 378777780), (2, 189388890), (3, 126259260), (4, 94694445), (5, 75755556), (6, 63129630), (9, 42086420), (10, 37877778), (12, 31564815), (15, 25251852), (18, 21043210), (20, 18938889), (30, 12625926), (36, 10521605), (45, 8417284), (60, 6312963), (90, 4208642), (139, 2725020), (180, 2104321), (278, 1362510), (417, 908340), (556, 681255), (695, 545004), (834, 454170), (1251, 302780), (1390, 272502), (1668, 227085), (2085, 181668), (2502, 151390), (2780, 136251), (4170, 90834), (5004, 75695), (6255, 60556), (8340, 45417), (12510, 30278), (15139, 25020)]