209637180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16879}}^1$

素因数の和:16920

約数の個数: 96

約数和(自身を含む): 680601600

約数和(自身を除く): 470964420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 2070, 2484, 3105, 4140, 6210, 12420, 16879, 33758, 50637, 67516, 84395, 101274, 151911, 168790, 202548, 253185, 303822, 337580, 388217, 455733, 506370, 607644, 759555, 776434, 911466, 1012740, 1164651, 1519110, 1552868, 1822932, 1941085, 2278665, 2329302, 3038220, 3493953, 3882170, 4557330, 4658604, 5823255, 6987906, 7764340, 9114660, 10481859, 11646510, 13975812, 17469765, 20963718, 23293020, 34939530, 41927436, 52409295, 69879060, 104818590, 209637180]

約数ペア:

[(1, 209637180), (2, 104818590), (3, 69879060), (4, 52409295), (5, 41927436), (6, 34939530), (9, 23293020), (10, 20963718), (12, 17469765), (15, 13975812), (18, 11646510), (20, 10481859), (23, 9114660), (27, 7764340), (30, 6987906), (36, 5823255), (45, 4658604), (46, 4557330), (54, 3882170), (60, 3493953), (69, 3038220), (90, 2329302), (92, 2278665), (108, 1941085), (115, 1822932), (135, 1552868), (138, 1519110), (180, 1164651), (207, 1012740), (230, 911466), (270, 776434), (276, 759555), (345, 607644), (414, 506370), (460, 455733), (540, 388217), (621, 337580), (690, 303822), (828, 253185), (1035, 202548), (1242, 168790), (1380, 151911), (2070, 101274), (2484, 84395), (3105, 67516), (4140, 50637), (6210, 33758), (12420, 16879)]