81949320

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{8431}}^1$

素因数の和:8457

約数の個数: 96

約数和(自身を含む): 276232320

約数和(自身を除く): 194283000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 8431, 9720, 16862, 25293, 33724, 42155, 50586, 67448, 75879, 84310, 101172, 126465, 151758, 168620, 202344, 227637, 252930, 303516, 337240, 379395, 455274, 505860, 607032, 682911, 758790, 910548, 1011720, 1138185, 1365822, 1517580, 1821096, 2048733, 2276370, 2731644, 3035160, 3414555, 4097466, 4552740, 5463288, 6829110, 8194932, 9105480, 10243665, 13658220, 16389864, 20487330, 27316440, 40974660, 81949320]

約数ペア:

[(1, 81949320), (2, 40974660), (3, 27316440), (4, 20487330), (5, 16389864), (6, 13658220), (8, 10243665), (9, 9105480), (10, 8194932), (12, 6829110), (15, 5463288), (18, 4552740), (20, 4097466), (24, 3414555), (27, 3035160), (30, 2731644), (36, 2276370), (40, 2048733), (45, 1821096), (54, 1517580), (60, 1365822), (72, 1138185), (81, 1011720), (90, 910548), (108, 758790), (120, 682911), (135, 607032), (162, 505860), (180, 455274), (216, 379395), (243, 337240), (270, 303516), (324, 252930), (360, 227637), (405, 202344), (486, 168620), (540, 151758), (648, 126465), (810, 101172), (972, 84310), (1080, 75879), (1215, 67448), (1620, 50586), (1944, 42155), (2430, 33724), (3240, 25293), (4860, 16862), (8431, 9720)]