313604640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{217781}}^1$

素因数の和:217802

約数の個数: 72

約数和(自身を含む): 1070180748

約数和(自身を除く): 756576108

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 217781, 435562, 653343, 871124, 1088905, 1306686, 1742248, 1960029, 2177810, 2613372, 3266715, 3484496, 3920058, 4355620, 5226744, 6533430, 6968992, 7840116, 8711240, 9800145, 10453488, 13066860, 15680232, 17422480, 19600290, 20906976, 26133720, 31360464, 34844960, 39200580, 52267440, 62720928, 78401160, 104534880, 156802320, 313604640]

約数ペア:

[(1, 313604640), (2, 156802320), (3, 104534880), (4, 78401160), (5, 62720928), (6, 52267440), (8, 39200580), (9, 34844960), (10, 31360464), (12, 26133720), (15, 20906976), (16, 19600290), (18, 17422480), (20, 15680232), (24, 13066860), (30, 10453488), (32, 9800145), (36, 8711240), (40, 7840116), (45, 6968992), (48, 6533430), (60, 5226744), (72, 4355620), (80, 3920058), (90, 3484496), (96, 3266715), (120, 2613372), (144, 2177810), (160, 1960029), (180, 1742248), (240, 1306686), (288, 1088905), (360, 871124), (480, 653343), (720, 435562), (1440, 217781)]