30918761820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{495017}}^1$

素因数の和:495379

約数の個数: 72

約数和(自身を含む): 94057380144

約数和(自身を除く): 63138618324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 1041, 1388, 1735, 2082, 3123, 3470, 4164, 5205, 6246, 6940, 10410, 12492, 15615, 20820, 31230, 62460, 495017, 990034, 1485051, 1980068, 2475085, 2970102, 4455153, 4950170, 5940204, 7425255, 8910306, 9900340, 14850510, 17820612, 22275765, 29701020, 44551530, 89103060, 171770899, 343541798, 515312697, 687083596, 858854495, 1030625394, 1545938091, 1717708990, 2061250788, 2576563485, 3091876182, 3435417980, 5153126970, 6183752364, 7729690455, 10306253940, 15459380910, 30918761820]

約数ペア:

[(1, 30918761820), (2, 15459380910), (3, 10306253940), (4, 7729690455), (5, 6183752364), (6, 5153126970), (9, 3435417980), (10, 3091876182), (12, 2576563485), (15, 2061250788), (18, 1717708990), (20, 1545938091), (30, 1030625394), (36, 858854495), (45, 687083596), (60, 515312697), (90, 343541798), (180, 171770899), (347, 89103060), (694, 44551530), (1041, 29701020), (1388, 22275765), (1735, 17820612), (2082, 14850510), (3123, 9900340), (3470, 8910306), (4164, 7425255), (5205, 5940204), (6246, 4950170), (6940, 4455153), (10410, 2970102), (12492, 2475085), (15615, 1980068), (20820, 1485051), (31230, 990034), (62460, 495017)]