128917440

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:416

約数の個数: 224

約数和(自身を含む): 466709760

約数和(自身を除く): 337792320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 129, 135, 144, 160, 172, 180, 192, 215, 216, 240, 258, 270, 288, 320, 344, 347, 360, 387, 430, 432, 480, 516, 540, 576, 645, 688, 694, 720, 774, 860, 864, 960, 1032, 1041, 1080, 1161, 1290, 1376, 1388, 1440, 1548, 1720, 1728, 1735, 1935, 2064, 2082, 2160, 2322, 2580, 2752, 2776, 2880, 3096, 3123, 3440, 3470, 3870, 4128, 4164, 4320, 4644, 5160, 5205, 5552, 5805, 6192, 6246, 6880, 6940, 7740, 8256, 8328, 8640, 9288, 9369, 10320, 10410, 11104, 11610, 12384, 12492, 13760, 13880, 14921, 15480, 15615, 16656, 18576, 18738, 20640, 20820, 22208, 23220, 24768, 24984, 27760, 29842, 30960, 31230, 33312, 37152, 37476, 41280, 41640, 44763, 46440, 46845, 49968, 55520, 59684, 61920, 62460, 66624, 74304, 74605, 74952, 83280, 89526, 92880, 93690, 99936, 111040, 119368, 123840, 124920, 134289, 149210, 149904, 166560, 179052, 185760, 187380, 199872, 223815, 238736, 249840, 268578, 298420, 299808, 333120, 358104, 371520, 374760, 402867, 447630, 477472, 499680, 537156, 596840, 599616, 671445, 716208, 749520, 805734, 895260, 954944, 999360, 1074312, 1193680, 1342890, 1432416, 1499040, 1611468, 1790520, 2014335, 2148624, 2387360, 2685780, 2864832, 2998080, 3222936, 3581040, 4028670, 4297248, 4774720, 5371560, 6445872, 7162080, 8057340, 8594496, 10743120, 12891744, 14324160, 16114680, 21486240, 25783488, 32229360, 42972480, 64458720, 128917440]

約数ペア:

[(1, 128917440), (2, 64458720), (3, 42972480), (4, 32229360), (5, 25783488), (6, 21486240), (8, 16114680), (9, 14324160), (10, 12891744), (12, 10743120), (15, 8594496), (16, 8057340), (18, 7162080), (20, 6445872), (24, 5371560), (27, 4774720), (30, 4297248), (32, 4028670), (36, 3581040), (40, 3222936), (43, 2998080), (45, 2864832), (48, 2685780), (54, 2387360), (60, 2148624), (64, 2014335), (72, 1790520), (80, 1611468), (86, 1499040), (90, 1432416), (96, 1342890), (108, 1193680), (120, 1074312), (129, 999360), (135, 954944), (144, 895260), (160, 805734), (172, 749520), (180, 716208), (192, 671445), (215, 599616), (216, 596840), (240, 537156), (258, 499680), (270, 477472), (288, 447630), (320, 402867), (344, 374760), (347, 371520), (360, 358104), (387, 333120), (430, 299808), (432, 298420), (480, 268578), (516, 249840), (540, 238736), (576, 223815), (645, 199872), (688, 187380), (694, 185760), (720, 179052), (774, 166560), (860, 149904), (864, 149210), (960, 134289), (1032, 124920), (1041, 123840), (1080, 119368), (1161, 111040), (1290, 99936), (1376, 93690), (1388, 92880), (1440, 89526), (1548, 83280), (1720, 74952), (1728, 74605), (1735, 74304), (1935, 66624), (2064, 62460), (2082, 61920), (2160, 59684), (2322, 55520), (2580, 49968), (2752, 46845), (2776, 46440), (2880, 44763), (3096, 41640), (3123, 41280), (3440, 37476), (3470, 37152), (3870, 33312), (4128, 31230), (4164, 30960), (4320, 29842), (4644, 27760), (5160, 24984), (5205, 24768), (5552, 23220), (5805, 22208), (6192, 20820), (6246, 20640), (6880, 18738), (6940, 18576), (7740, 16656), (8256, 15615), (8328, 15480), (8640, 14921), (9288, 13880), (9369, 13760), (10320, 12492), (10410, 12384), (11104, 11610)]