81672420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80071}}^1$

素因数の和:80100

約数の個数: 48

約数和(自身を含む): 242137728

約数和(自身を除く): 160465308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 80071, 160142, 240213, 320284, 400355, 480426, 800710, 960852, 1201065, 1361207, 1601420, 2402130, 2722414, 4083621, 4804260, 5444828, 6806035, 8167242, 13612070, 16334484, 20418105, 27224140, 40836210, 81672420]

約数ペア:

[(1, 81672420), (2, 40836210), (3, 27224140), (4, 20418105), (5, 16334484), (6, 13612070), (10, 8167242), (12, 6806035), (15, 5444828), (17, 4804260), (20, 4083621), (30, 2722414), (34, 2402130), (51, 1601420), (60, 1361207), (68, 1201065), (85, 960852), (102, 800710), (170, 480426), (204, 400355), (255, 320284), (340, 240213), (510, 160142), (1020, 80071)]