81955584

素因数分解:

$2^8\times 3^3\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 144

約数和(自身を含む): 247242240

約数和(自身を除く): 165286656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 71, 72, 96, 108, 128, 142, 144, 167, 192, 213, 216, 256, 284, 288, 334, 384, 426, 432, 501, 568, 576, 639, 668, 768, 852, 864, 1002, 1136, 1152, 1278, 1336, 1503, 1704, 1728, 1917, 2004, 2272, 2304, 2556, 2672, 3006, 3408, 3456, 3834, 4008, 4509, 4544, 5112, 5344, 6012, 6816, 6912, 7668, 8016, 9018, 9088, 10224, 10688, 11857, 12024, 13632, 15336, 16032, 18036, 18176, 20448, 21376, 23714, 24048, 27264, 30672, 32064, 35571, 36072, 40896, 42752, 47428, 48096, 54528, 61344, 64128, 71142, 72144, 81792, 94856, 96192, 106713, 122688, 128256, 142284, 144288, 163584, 189712, 192384, 213426, 245376, 284568, 288576, 320139, 379424, 384768, 426852, 490752, 569136, 577152, 640278, 758848, 853704, 1138272, 1154304, 1280556, 1517696, 1707408, 2276544, 2561112, 3035392, 3414816, 4553088, 5122224, 6829632, 9106176, 10244448, 13659264, 20488896, 27318528, 40977792, 81955584]

約数ペア:

[(1, 81955584), (2, 40977792), (3, 27318528), (4, 20488896), (6, 13659264), (8, 10244448), (9, 9106176), (12, 6829632), (16, 5122224), (18, 4553088), (24, 3414816), (27, 3035392), (32, 2561112), (36, 2276544), (48, 1707408), (54, 1517696), (64, 1280556), (71, 1154304), (72, 1138272), (96, 853704), (108, 758848), (128, 640278), (142, 577152), (144, 569136), (167, 490752), (192, 426852), (213, 384768), (216, 379424), (256, 320139), (284, 288576), (288, 284568), (334, 245376), (384, 213426), (426, 192384), (432, 189712), (501, 163584), (568, 144288), (576, 142284), (639, 128256), (668, 122688), (768, 106713), (852, 96192), (864, 94856), (1002, 81792), (1136, 72144), (1152, 71142), (1278, 64128), (1336, 61344), (1503, 54528), (1704, 48096), (1728, 47428), (1917, 42752), (2004, 40896), (2272, 36072), (2304, 35571), (2556, 32064), (2672, 30672), (3006, 27264), (3408, 24048), (3456, 23714), (3834, 21376), (4008, 20448), (4509, 18176), (4544, 18036), (5112, 16032), (5344, 15336), (6012, 13632), (6816, 12024), (6912, 11857), (7668, 10688), (8016, 10224), (9018, 9088)]