78412068

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{821}}^1$

素因数の和:1217

約数の個数: 72

約数和(自身を含む): 227398080

約数和(自身を除く): 148986012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 379, 758, 821, 1137, 1516, 1642, 2274, 2463, 2653, 3284, 3411, 4548, 4926, 5306, 5747, 6822, 7389, 7959, 9852, 10612, 11494, 13644, 14778, 15918, 17241, 22988, 23877, 29556, 31836, 34482, 47754, 51723, 68964, 95508, 103446, 206892, 311159, 622318, 933477, 1244636, 1866954, 2178113, 2800431, 3733908, 4356226, 5600862, 6534339, 8712452, 11201724, 13068678, 19603017, 26137356, 39206034, 78412068]

約数ペア:

[(1, 78412068), (2, 39206034), (3, 26137356), (4, 19603017), (6, 13068678), (7, 11201724), (9, 8712452), (12, 6534339), (14, 5600862), (18, 4356226), (21, 3733908), (28, 2800431), (36, 2178113), (42, 1866954), (63, 1244636), (84, 933477), (126, 622318), (252, 311159), (379, 206892), (758, 103446), (821, 95508), (1137, 68964), (1516, 51723), (1642, 47754), (2274, 34482), (2463, 31836), (2653, 29556), (3284, 23877), (3411, 22988), (4548, 17241), (4926, 15918), (5306, 14778), (5747, 13644), (6822, 11494), (7389, 10612), (7959, 9852)]