81076320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 288

約数和(自身を含む): 307105344

約数和(自身を除く): 226029024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 61, 65, 71, 72, 78, 80, 90, 96, 104, 117, 120, 122, 130, 142, 144, 156, 160, 180, 183, 195, 208, 213, 234, 240, 244, 260, 284, 288, 305, 312, 355, 360, 366, 390, 416, 426, 468, 480, 488, 520, 549, 568, 585, 610, 624, 639, 710, 720, 732, 780, 793, 852, 915, 923, 936, 976, 1040, 1065, 1098, 1136, 1170, 1220, 1248, 1278, 1420, 1440, 1464, 1560, 1586, 1704, 1830, 1846, 1872, 1952, 2080, 2130, 2196, 2272, 2340, 2379, 2440, 2556, 2745, 2769, 2840, 2928, 3120, 3172, 3195, 3408, 3660, 3692, 3744, 3965, 4260, 4331, 4392, 4615, 4680, 4758, 4880, 5112, 5490, 5538, 5680, 5856, 6240, 6344, 6390, 6816, 7137, 7320, 7384, 7930, 8307, 8520, 8662, 8784, 9230, 9360, 9516, 9760, 10224, 10980, 11076, 11360, 11895, 12688, 12780, 12993, 13845, 14274, 14640, 14768, 15860, 16614, 17040, 17324, 17568, 18460, 18720, 19032, 20448, 21655, 21960, 22152, 23790, 25376, 25560, 25986, 27690, 28548, 29280, 29536, 31720, 33228, 34080, 34648, 35685, 36920, 38064, 38979, 41535, 43310, 43920, 44304, 47580, 51120, 51972, 55380, 56303, 57096, 63440, 64965, 66456, 69296, 71370, 73840, 76128, 77958, 83070, 86620, 87840, 88608, 95160, 102240, 103944, 110760, 112606, 114192, 126880, 129930, 132912, 138592, 142740, 147680, 155916, 166140, 168909, 173240, 190320, 194895, 207888, 221520, 225212, 228384, 259860, 265824, 281515, 285480, 311832, 332280, 337818, 346480, 380640, 389790, 415776, 443040, 450424, 506727, 519720, 563030, 570960, 623664, 664560, 675636, 692960, 779580, 844545, 900848, 1013454, 1039440, 1126060, 1141920, 1247328, 1329120, 1351272, 1559160, 1689090, 1801696, 2026908, 2078880, 2252120, 2533635, 2702544, 3118320, 3378180, 4053816, 4504240, 5067270, 5405088, 6236640, 6756360, 8107632, 9008480, 10134540, 13512720, 16215264, 20269080, 27025440, 40538160, 81076320]

約数ペア:

[(1, 81076320), (2, 40538160), (3, 27025440), (4, 20269080), (5, 16215264), (6, 13512720), (8, 10134540), (9, 9008480), (10, 8107632), (12, 6756360), (13, 6236640), (15, 5405088), (16, 5067270), (18, 4504240), (20, 4053816), (24, 3378180), (26, 3118320), (30, 2702544), (32, 2533635), (36, 2252120), (39, 2078880), (40, 2026908), (45, 1801696), (48, 1689090), (52, 1559160), (60, 1351272), (61, 1329120), (65, 1247328), (71, 1141920), (72, 1126060), (78, 1039440), (80, 1013454), (90, 900848), (96, 844545), (104, 779580), (117, 692960), (120, 675636), (122, 664560), (130, 623664), (142, 570960), (144, 563030), (156, 519720), (160, 506727), (180, 450424), (183, 443040), (195, 415776), (208, 389790), (213, 380640), (234, 346480), (240, 337818), (244, 332280), (260, 311832), (284, 285480), (288, 281515), (305, 265824), (312, 259860), (355, 228384), (360, 225212), (366, 221520), (390, 207888), (416, 194895), (426, 190320), (468, 173240), (480, 168909), (488, 166140), (520, 155916), (549, 147680), (568, 142740), (585, 138592), (610, 132912), (624, 129930), (639, 126880), (710, 114192), (720, 112606), (732, 110760), (780, 103944), (793, 102240), (852, 95160), (915, 88608), (923, 87840), (936, 86620), (976, 83070), (1040, 77958), (1065, 76128), (1098, 73840), (1136, 71370), (1170, 69296), (1220, 66456), (1248, 64965), (1278, 63440), (1420, 57096), (1440, 56303), (1464, 55380), (1560, 51972), (1586, 51120), (1704, 47580), (1830, 44304), (1846, 43920), (1872, 43310), (1952, 41535), (2080, 38979), (2130, 38064), (2196, 36920), (2272, 35685), (2340, 34648), (2379, 34080), (2440, 33228), (2556, 31720), (2745, 29536), (2769, 29280), (2840, 28548), (2928, 27690), (3120, 25986), (3172, 25560), (3195, 25376), (3408, 23790), (3660, 22152), (3692, 21960), (3744, 21655), (3965, 20448), (4260, 19032), (4331, 18720), (4392, 18460), (4615, 17568), (4680, 17324), (4758, 17040), (4880, 16614), (5112, 15860), (5490, 14768), (5538, 14640), (5680, 14274), (5856, 13845), (6240, 12993), (6344, 12780), (6390, 12688), (6816, 11895), (7137, 11360), (7320, 11076), (7384, 10980), (7930, 10224), (8307, 9760), (8520, 9516), (8662, 9360), (8784, 9230)]