1251335680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{69829}}^1$

素因数の和:69859

約数の個数: 80

約数和(自身を含む): 3428932320

約数和(自身を除く): 2177596640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 69829, 139658, 279316, 349145, 488803, 558632, 698290, 977606, 1117264, 1396580, 1955212, 2234528, 2444015, 2793160, 3910424, 4469056, 4888030, 5586320, 7820848, 8938112, 9776060, 11172640, 15641696, 17876224, 19552120, 22345280, 31283392, 35752448, 39104240, 44690560, 62566784, 78208480, 89381120, 125133568, 156416960, 178762240, 250267136, 312833920, 625667840, 1251335680]

約数ペア:

[(1, 1251335680), (2, 625667840), (4, 312833920), (5, 250267136), (7, 178762240), (8, 156416960), (10, 125133568), (14, 89381120), (16, 78208480), (20, 62566784), (28, 44690560), (32, 39104240), (35, 35752448), (40, 31283392), (56, 22345280), (64, 19552120), (70, 17876224), (80, 15641696), (112, 11172640), (128, 9776060), (140, 8938112), (160, 7820848), (224, 5586320), (256, 4888030), (280, 4469056), (320, 3910424), (448, 2793160), (512, 2444015), (560, 2234528), (640, 1955212), (896, 1396580), (1120, 1117264), (1280, 977606), (1792, 698290), (2240, 558632), (2560, 488803), (3584, 349145), (4480, 279316), (8960, 139658), (17920, 69829)]