1279213600

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{32633}}^1$

素因数の和:32667

約数の個数: 108

約数和(自身を含む): 3632849514

約数和(自身を除く): 2353635914

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 784, 800, 980, 1120, 1225, 1400, 1568, 1960, 2450, 2800, 3920, 4900, 5600, 7840, 9800, 19600, 32633, 39200, 65266, 130532, 163165, 228431, 261064, 326330, 456862, 522128, 652660, 815825, 913724, 1044256, 1142155, 1305320, 1599017, 1631650, 1827448, 2284310, 2610640, 3198034, 3263300, 3654896, 4568620, 5221280, 5710775, 6396068, 6526600, 7309792, 7995085, 9137240, 11421550, 12792136, 13053200, 15990170, 18274480, 22843100, 25584272, 26106400, 31980340, 36548960, 39975425, 45686200, 51168544, 63960680, 79950850, 91372400, 127921360, 159901700, 182744800, 255842720, 319803400, 639606800, 1279213600]

約数ペア:

[(1, 1279213600), (2, 639606800), (4, 319803400), (5, 255842720), (7, 182744800), (8, 159901700), (10, 127921360), (14, 91372400), (16, 79950850), (20, 63960680), (25, 51168544), (28, 45686200), (32, 39975425), (35, 36548960), (40, 31980340), (49, 26106400), (50, 25584272), (56, 22843100), (70, 18274480), (80, 15990170), (98, 13053200), (100, 12792136), (112, 11421550), (140, 9137240), (160, 7995085), (175, 7309792), (196, 6526600), (200, 6396068), (224, 5710775), (245, 5221280), (280, 4568620), (350, 3654896), (392, 3263300), (400, 3198034), (490, 2610640), (560, 2284310), (700, 1827448), (784, 1631650), (800, 1599017), (980, 1305320), (1120, 1142155), (1225, 1044256), (1400, 913724), (1568, 815825), (1960, 652660), (2450, 522128), (2800, 456862), (3920, 326330), (4900, 261064), (5600, 228431), (7840, 163165), (9800, 130532), (19600, 65266), (32633, 39200)]