248749920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:906

約数の個数: 192

約数和(自身を含む): 883975680

約数和(自身を除く): 635225760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 96, 108, 120, 135, 142, 144, 160, 180, 213, 216, 240, 270, 284, 288, 355, 360, 426, 432, 480, 540, 568, 639, 710, 720, 811, 852, 864, 1065, 1080, 1136, 1278, 1420, 1440, 1622, 1704, 1917, 2130, 2160, 2272, 2433, 2556, 2840, 3195, 3244, 3408, 3834, 4055, 4260, 4320, 4866, 5112, 5680, 6390, 6488, 6816, 7299, 7668, 8110, 8520, 9585, 9732, 10224, 11360, 12165, 12780, 12976, 14598, 15336, 16220, 17040, 19170, 19464, 20448, 21897, 24330, 25560, 25952, 29196, 30672, 32440, 34080, 36495, 38340, 38928, 43794, 48660, 51120, 57581, 58392, 61344, 64880, 72990, 76680, 77856, 87588, 97320, 102240, 109485, 115162, 116784, 129760, 145980, 153360, 172743, 175176, 194640, 218970, 230324, 233568, 287905, 291960, 306720, 345486, 350352, 389280, 437940, 460648, 518229, 575810, 583920, 690972, 700704, 863715, 875880, 921296, 1036458, 1151620, 1167840, 1381944, 1554687, 1727430, 1751760, 1842592, 2072916, 2303240, 2591145, 2763888, 3109374, 3454860, 3503520, 4145832, 4606480, 5182290, 5527776, 6218748, 6909720, 7773435, 8291664, 9212960, 10364580, 12437496, 13819440, 15546870, 16583328, 20729160, 24874992, 27638880, 31093740, 41458320, 49749984, 62187480, 82916640, 124374960, 248749920]

約数ペア:

[(1, 248749920), (2, 124374960), (3, 82916640), (4, 62187480), (5, 49749984), (6, 41458320), (8, 31093740), (9, 27638880), (10, 24874992), (12, 20729160), (15, 16583328), (16, 15546870), (18, 13819440), (20, 12437496), (24, 10364580), (27, 9212960), (30, 8291664), (32, 7773435), (36, 6909720), (40, 6218748), (45, 5527776), (48, 5182290), (54, 4606480), (60, 4145832), (71, 3503520), (72, 3454860), (80, 3109374), (90, 2763888), (96, 2591145), (108, 2303240), (120, 2072916), (135, 1842592), (142, 1751760), (144, 1727430), (160, 1554687), (180, 1381944), (213, 1167840), (216, 1151620), (240, 1036458), (270, 921296), (284, 875880), (288, 863715), (355, 700704), (360, 690972), (426, 583920), (432, 575810), (480, 518229), (540, 460648), (568, 437940), (639, 389280), (710, 350352), (720, 345486), (811, 306720), (852, 291960), (864, 287905), (1065, 233568), (1080, 230324), (1136, 218970), (1278, 194640), (1420, 175176), (1440, 172743), (1622, 153360), (1704, 145980), (1917, 129760), (2130, 116784), (2160, 115162), (2272, 109485), (2433, 102240), (2556, 97320), (2840, 87588), (3195, 77856), (3244, 76680), (3408, 72990), (3834, 64880), (4055, 61344), (4260, 58392), (4320, 57581), (4866, 51120), (5112, 48660), (5680, 43794), (6390, 38928), (6488, 38340), (6816, 36495), (7299, 34080), (7668, 32440), (8110, 30672), (8520, 29196), (9585, 25952), (9732, 25560), (10224, 24330), (11360, 21897), (12165, 20448), (12780, 19464), (12976, 19170), (14598, 17040), (15336, 16220)]