18615103640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{315083}}^1$

素因数の和:315312

約数の個数: 64

約数和(自身を含む): 48094421760

約数和(自身を除く): 29479318120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1477, 1688, 2110, 2954, 4220, 5908, 7385, 8440, 11816, 14770, 29540, 59080, 315083, 630166, 1260332, 1575415, 2205581, 2520664, 3150830, 4411162, 6301660, 8822324, 11027905, 12603320, 17644648, 22055810, 44111620, 66482513, 88223240, 132965026, 265930052, 332412565, 465377591, 531860104, 664825130, 930755182, 1329650260, 1861510364, 2326887955, 2659300520, 3723020728, 4653775910, 9307551820, 18615103640]

約数ペア:

[(1, 18615103640), (2, 9307551820), (4, 4653775910), (5, 3723020728), (7, 2659300520), (8, 2326887955), (10, 1861510364), (14, 1329650260), (20, 930755182), (28, 664825130), (35, 531860104), (40, 465377591), (56, 332412565), (70, 265930052), (140, 132965026), (211, 88223240), (280, 66482513), (422, 44111620), (844, 22055810), (1055, 17644648), (1477, 12603320), (1688, 11027905), (2110, 8822324), (2954, 6301660), (4220, 4411162), (5908, 3150830), (7385, 2520664), (8440, 2205581), (11816, 1575415), (14770, 1260332), (29540, 630166), (59080, 315083)]