128413440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 216

約数和(自身を含む): 453424608

約数和(自身を除く): 325011168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 128, 142, 144, 157, 160, 180, 192, 213, 240, 256, 284, 288, 314, 320, 355, 360, 384, 426, 471, 480, 568, 576, 628, 639, 640, 710, 720, 768, 785, 852, 942, 960, 1065, 1136, 1152, 1256, 1278, 1280, 1413, 1420, 1440, 1570, 1704, 1884, 1920, 2130, 2272, 2304, 2355, 2512, 2556, 2826, 2840, 2880, 3140, 3195, 3408, 3768, 3840, 4260, 4544, 4710, 5024, 5112, 5652, 5680, 5760, 6280, 6390, 6816, 7065, 7536, 8520, 9088, 9420, 10048, 10224, 11147, 11304, 11360, 11520, 12560, 12780, 13632, 14130, 15072, 17040, 18176, 18840, 20096, 20448, 22294, 22608, 22720, 25120, 25560, 27264, 28260, 30144, 33441, 34080, 37680, 40192, 40896, 44588, 45216, 45440, 50240, 51120, 54528, 55735, 56520, 60288, 66882, 68160, 75360, 81792, 89176, 90432, 90880, 100323, 100480, 102240, 111470, 113040, 120576, 133764, 136320, 150720, 163584, 167205, 178352, 180864, 200646, 200960, 204480, 222940, 226080, 267528, 272640, 301440, 334410, 356704, 361728, 401292, 408960, 445880, 452160, 501615, 535056, 602880, 668820, 713408, 802584, 817920, 891760, 904320, 1003230, 1070112, 1337640, 1426816, 1605168, 1783520, 1808640, 2006460, 2140224, 2675280, 2853632, 3210336, 3567040, 4012920, 4280448, 5350560, 6420672, 7134080, 8025840, 8560896, 10701120, 12841344, 14268160, 16051680, 21402240, 25682688, 32103360, 42804480, 64206720, 128413440]

約数ペア:

[(1, 128413440), (2, 64206720), (3, 42804480), (4, 32103360), (5, 25682688), (6, 21402240), (8, 16051680), (9, 14268160), (10, 12841344), (12, 10701120), (15, 8560896), (16, 8025840), (18, 7134080), (20, 6420672), (24, 5350560), (30, 4280448), (32, 4012920), (36, 3567040), (40, 3210336), (45, 2853632), (48, 2675280), (60, 2140224), (64, 2006460), (71, 1808640), (72, 1783520), (80, 1605168), (90, 1426816), (96, 1337640), (120, 1070112), (128, 1003230), (142, 904320), (144, 891760), (157, 817920), (160, 802584), (180, 713408), (192, 668820), (213, 602880), (240, 535056), (256, 501615), (284, 452160), (288, 445880), (314, 408960), (320, 401292), (355, 361728), (360, 356704), (384, 334410), (426, 301440), (471, 272640), (480, 267528), (568, 226080), (576, 222940), (628, 204480), (639, 200960), (640, 200646), (710, 180864), (720, 178352), (768, 167205), (785, 163584), (852, 150720), (942, 136320), (960, 133764), (1065, 120576), (1136, 113040), (1152, 111470), (1256, 102240), (1278, 100480), (1280, 100323), (1413, 90880), (1420, 90432), (1440, 89176), (1570, 81792), (1704, 75360), (1884, 68160), (1920, 66882), (2130, 60288), (2272, 56520), (2304, 55735), (2355, 54528), (2512, 51120), (2556, 50240), (2826, 45440), (2840, 45216), (2880, 44588), (3140, 40896), (3195, 40192), (3408, 37680), (3768, 34080), (3840, 33441), (4260, 30144), (4544, 28260), (4710, 27264), (5024, 25560), (5112, 25120), (5652, 22720), (5680, 22608), (5760, 22294), (6280, 20448), (6390, 20096), (6816, 18840), (7065, 18176), (7536, 17040), (8520, 15072), (9088, 14130), (9420, 13632), (10048, 12780), (10224, 12560), (11147, 11520), (11304, 11360)]