81543360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 168

約数和(自身を含む): 270790416

約数和(自身を除く): 189247056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 101, 116, 120, 145, 160, 174, 192, 202, 232, 240, 290, 303, 320, 348, 404, 435, 464, 480, 505, 580, 606, 696, 808, 841, 870, 928, 960, 1010, 1160, 1212, 1392, 1515, 1616, 1682, 1740, 1856, 2020, 2320, 2424, 2523, 2784, 2929, 3030, 3232, 3364, 3480, 4040, 4205, 4640, 4848, 5046, 5568, 5858, 6060, 6464, 6728, 6960, 8080, 8410, 8787, 9280, 9696, 10092, 11716, 12120, 12615, 13456, 13920, 14645, 16160, 16820, 17574, 19392, 20184, 23432, 24240, 25230, 26912, 27840, 29290, 32320, 33640, 35148, 40368, 43935, 46864, 48480, 50460, 53824, 58580, 67280, 70296, 80736, 84941, 87870, 93728, 96960, 100920, 117160, 134560, 140592, 161472, 169882, 175740, 187456, 201840, 234320, 254823, 269120, 281184, 339764, 351480, 403680, 424705, 468640, 509646, 562368, 679528, 702960, 807360, 849410, 937280, 1019292, 1274115, 1359056, 1405920, 1698820, 2038584, 2548230, 2718112, 2811840, 3397640, 4077168, 5096460, 5436224, 6795280, 8154336, 10192920, 13590560, 16308672, 20385840, 27181120, 40771680, 81543360]

約数ペア:

[(1, 81543360), (2, 40771680), (3, 27181120), (4, 20385840), (5, 16308672), (6, 13590560), (8, 10192920), (10, 8154336), (12, 6795280), (15, 5436224), (16, 5096460), (20, 4077168), (24, 3397640), (29, 2811840), (30, 2718112), (32, 2548230), (40, 2038584), (48, 1698820), (58, 1405920), (60, 1359056), (64, 1274115), (80, 1019292), (87, 937280), (96, 849410), (101, 807360), (116, 702960), (120, 679528), (145, 562368), (160, 509646), (174, 468640), (192, 424705), (202, 403680), (232, 351480), (240, 339764), (290, 281184), (303, 269120), (320, 254823), (348, 234320), (404, 201840), (435, 187456), (464, 175740), (480, 169882), (505, 161472), (580, 140592), (606, 134560), (696, 117160), (808, 100920), (841, 96960), (870, 93728), (928, 87870), (960, 84941), (1010, 80736), (1160, 70296), (1212, 67280), (1392, 58580), (1515, 53824), (1616, 50460), (1682, 48480), (1740, 46864), (1856, 43935), (2020, 40368), (2320, 35148), (2424, 33640), (2523, 32320), (2784, 29290), (2929, 27840), (3030, 26912), (3232, 25230), (3364, 24240), (3480, 23432), (4040, 20184), (4205, 19392), (4640, 17574), (4848, 16820), (5046, 16160), (5568, 14645), (5858, 13920), (6060, 13456), (6464, 12615), (6728, 12120), (6960, 11716), (8080, 10092), (8410, 9696), (8787, 9280)]