291181440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:861

約数の個数: 256

約数和(自身を含む): 1073399040

約数和(自身を除く): 782217600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 64, 66, 68, 80, 85, 88, 96, 102, 110, 120, 128, 132, 136, 160, 165, 170, 176, 187, 192, 204, 220, 240, 255, 264, 272, 320, 330, 340, 352, 374, 384, 408, 440, 480, 510, 528, 544, 561, 640, 660, 680, 704, 748, 811, 816, 880, 935, 960, 1020, 1056, 1088, 1122, 1320, 1360, 1408, 1496, 1622, 1632, 1760, 1870, 1920, 2040, 2112, 2176, 2244, 2433, 2640, 2720, 2805, 2992, 3244, 3264, 3520, 3740, 4055, 4080, 4224, 4488, 4866, 5280, 5440, 5610, 5984, 6488, 6528, 7040, 7480, 8110, 8160, 8921, 8976, 9732, 10560, 10880, 11220, 11968, 12165, 12976, 13787, 14960, 16220, 16320, 17842, 17952, 19464, 21120, 22440, 23936, 24330, 25952, 26763, 27574, 29920, 32440, 32640, 35684, 35904, 38928, 41361, 44605, 44880, 48660, 51904, 53526, 55148, 59840, 64880, 68935, 71368, 71808, 77856, 82722, 89210, 89760, 97320, 103808, 107052, 110296, 119680, 129760, 133815, 137870, 142736, 151657, 155712, 165444, 178420, 179520, 194640, 206805, 214104, 220592, 259520, 267630, 275740, 285472, 303314, 311424, 330888, 356840, 359040, 389280, 413610, 428208, 441184, 454971, 519040, 535260, 551480, 570944, 606628, 661776, 713680, 758285, 778560, 827220, 856416, 882368, 909942, 1070520, 1102960, 1141888, 1213256, 1323552, 1427360, 1516570, 1557120, 1654440, 1712832, 1764736, 1819884, 2141040, 2205920, 2274855, 2426512, 2647104, 2854720, 3033140, 3308880, 3425664, 3639768, 4282080, 4411840, 4549710, 4853024, 5294208, 5709440, 6066280, 6617760, 7279536, 8564160, 8823680, 9099420, 9706048, 12132560, 13235520, 14559072, 17128320, 18198840, 19412096, 24265120, 26471040, 29118144, 36397680, 48530240, 58236288, 72795360, 97060480, 145590720, 291181440]

約数ペア:

[(1, 291181440), (2, 145590720), (3, 97060480), (4, 72795360), (5, 58236288), (6, 48530240), (8, 36397680), (10, 29118144), (11, 26471040), (12, 24265120), (15, 19412096), (16, 18198840), (17, 17128320), (20, 14559072), (22, 13235520), (24, 12132560), (30, 9706048), (32, 9099420), (33, 8823680), (34, 8564160), (40, 7279536), (44, 6617760), (48, 6066280), (51, 5709440), (55, 5294208), (60, 4853024), (64, 4549710), (66, 4411840), (68, 4282080), (80, 3639768), (85, 3425664), (88, 3308880), (96, 3033140), (102, 2854720), (110, 2647104), (120, 2426512), (128, 2274855), (132, 2205920), (136, 2141040), (160, 1819884), (165, 1764736), (170, 1712832), (176, 1654440), (187, 1557120), (192, 1516570), (204, 1427360), (220, 1323552), (240, 1213256), (255, 1141888), (264, 1102960), (272, 1070520), (320, 909942), (330, 882368), (340, 856416), (352, 827220), (374, 778560), (384, 758285), (408, 713680), (440, 661776), (480, 606628), (510, 570944), (528, 551480), (544, 535260), (561, 519040), (640, 454971), (660, 441184), (680, 428208), (704, 413610), (748, 389280), (811, 359040), (816, 356840), (880, 330888), (935, 311424), (960, 303314), (1020, 285472), (1056, 275740), (1088, 267630), (1122, 259520), (1320, 220592), (1360, 214104), (1408, 206805), (1496, 194640), (1622, 179520), (1632, 178420), (1760, 165444), (1870, 155712), (1920, 151657), (2040, 142736), (2112, 137870), (2176, 133815), (2244, 129760), (2433, 119680), (2640, 110296), (2720, 107052), (2805, 103808), (2992, 97320), (3244, 89760), (3264, 89210), (3520, 82722), (3740, 77856), (4055, 71808), (4080, 71368), (4224, 68935), (4488, 64880), (4866, 59840), (5280, 55148), (5440, 53526), (5610, 51904), (5984, 48660), (6488, 44880), (6528, 44605), (7040, 41361), (7480, 38928), (8110, 35904), (8160, 35684), (8921, 32640), (8976, 32440), (9732, 29920), (10560, 27574), (10880, 26763), (11220, 25952), (11968, 24330), (12165, 23936), (12976, 22440), (13787, 21120), (14960, 19464), (16220, 17952), (16320, 17842)]