409528260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20873}}^1$

素因数の和:20997

約数の個数: 72

約数和(自身を含む): 1253692440

約数和(自身を除く): 844164180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 19620, 20873, 41746, 62619, 83492, 104365, 125238, 187857, 208730, 250476, 313095, 375714, 417460, 626190, 751428, 939285, 1252380, 1878570, 2275157, 3757140, 4550314, 6825471, 9100628, 11375785, 13650942, 20476413, 22751570, 27301884, 34127355, 40952826, 45503140, 68254710, 81905652, 102382065, 136509420, 204764130, 409528260]

約数ペア:

[(1, 409528260), (2, 204764130), (3, 136509420), (4, 102382065), (5, 81905652), (6, 68254710), (9, 45503140), (10, 40952826), (12, 34127355), (15, 27301884), (18, 22751570), (20, 20476413), (30, 13650942), (36, 11375785), (45, 9100628), (60, 6825471), (90, 4550314), (109, 3757140), (180, 2275157), (218, 1878570), (327, 1252380), (436, 939285), (545, 751428), (654, 626190), (981, 417460), (1090, 375714), (1308, 313095), (1635, 250476), (1962, 208730), (2180, 187857), (3270, 125238), (3924, 104365), (4905, 83492), (6540, 62619), (9810, 41746), (19620, 20873)]