278316780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{12503}}^1$

素因数の和:12575

約数の個数: 96

約数和(自身を含む): 907490304

約数和(自身を除く): 629173524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 371, 420, 530, 636, 742, 795, 1060, 1113, 1484, 1590, 1855, 2226, 3180, 3710, 4452, 5565, 7420, 11130, 12503, 22260, 25006, 37509, 50012, 62515, 75018, 87521, 125030, 150036, 175042, 187545, 250060, 262563, 350084, 375090, 437605, 525126, 662659, 750180, 875210, 1050252, 1312815, 1325318, 1750420, 1987977, 2625630, 2650636, 3313295, 3975954, 4638613, 5251260, 6626590, 7951908, 9277226, 9939885, 13253180, 13915839, 18554452, 19879770, 23193065, 27831678, 39759540, 46386130, 55663356, 69579195, 92772260, 139158390, 278316780]

約数ペア:

[(1, 278316780), (2, 139158390), (3, 92772260), (4, 69579195), (5, 55663356), (6, 46386130), (7, 39759540), (10, 27831678), (12, 23193065), (14, 19879770), (15, 18554452), (20, 13915839), (21, 13253180), (28, 9939885), (30, 9277226), (35, 7951908), (42, 6626590), (53, 5251260), (60, 4638613), (70, 3975954), (84, 3313295), (105, 2650636), (106, 2625630), (140, 1987977), (159, 1750420), (210, 1325318), (212, 1312815), (265, 1050252), (318, 875210), (371, 750180), (420, 662659), (530, 525126), (636, 437605), (742, 375090), (795, 350084), (1060, 262563), (1113, 250060), (1484, 187545), (1590, 175042), (1855, 150036), (2226, 125030), (3180, 87521), (3710, 75018), (4452, 62515), (5565, 50012), (7420, 37509), (11130, 25006), (12503, 22260)]