1284646720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{81929}}^1$

素因数の和:81960

約数の個数: 84

約数和(自身を含む): 3558547620

約数和(自身を除く): 2273900900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 81929, 163858, 327716, 409645, 573503, 655432, 819290, 1147006, 1310864, 1638580, 2294012, 2621728, 2867515, 3277160, 4014521, 4588024, 5243456, 5735030, 6554320, 8029042, 9176048, 11470060, 13108640, 16058084, 18352096, 20072605, 22940120, 26217280, 32116168, 36704192, 40145210, 45880240, 64232336, 80290420, 91760480, 128464672, 160580840, 183520960, 256929344, 321161680, 642323360, 1284646720]

約数ペア:

[(1, 1284646720), (2, 642323360), (4, 321161680), (5, 256929344), (7, 183520960), (8, 160580840), (10, 128464672), (14, 91760480), (16, 80290420), (20, 64232336), (28, 45880240), (32, 40145210), (35, 36704192), (40, 32116168), (49, 26217280), (56, 22940120), (64, 20072605), (70, 18352096), (80, 16058084), (98, 13108640), (112, 11470060), (140, 9176048), (160, 8029042), (196, 6554320), (224, 5735030), (245, 5243456), (280, 4588024), (320, 4014521), (392, 3277160), (448, 2867515), (490, 2621728), (560, 2294012), (784, 1638580), (980, 1310864), (1120, 1147006), (1568, 819290), (1960, 655432), (2240, 573503), (3136, 409645), (3920, 327716), (7840, 163858), (15680, 81929)]