280170240

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{1489}}^1$

素因数の和:1527

約数の個数: 216

約数和(自身を含む): 1041581520

約数和(自身を除く): 761411280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1489, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2688, 2940, 2978, 3136, 3360, 3840, 3920, 4467, 4480, 4704, 5376, 5880, 5956, 6272, 6720, 7445, 7840, 8934, 8960, 9408, 10423, 11760, 11912, 12544, 13440, 14890, 15680, 17868, 18816, 20846, 22335, 23520, 23824, 26880, 29780, 31269, 31360, 35736, 37632, 41692, 44670, 47040, 47648, 52115, 59560, 62538, 62720, 71472, 72961, 83384, 89340, 94080, 95296, 104230, 119120, 125076, 142944, 145922, 156345, 166768, 178680, 188160, 190592, 208460, 218883, 238240, 250152, 285888, 291844, 312690, 333536, 357360, 364805, 381184, 416920, 437766, 476480, 500304, 571776, 583688, 625380, 667072, 714720, 729610, 833840, 875532, 952960, 1000608, 1094415, 1143552, 1167376, 1250760, 1334144, 1429440, 1459220, 1667680, 1751064, 1905920, 2001216, 2188830, 2334752, 2501520, 2668288, 2858880, 2918440, 3335360, 3502128, 4002432, 4377660, 4669504, 5003040, 5717760, 5836880, 6670720, 7004256, 8004864, 8755320, 9339008, 10006080, 11673760, 13341440, 14008512, 17510640, 18678016, 20012160, 23347520, 28017024, 35021280, 40024320, 46695040, 56034048, 70042560, 93390080, 140085120, 280170240]

約数ペア:

[(1, 280170240), (2, 140085120), (3, 93390080), (4, 70042560), (5, 56034048), (6, 46695040), (7, 40024320), (8, 35021280), (10, 28017024), (12, 23347520), (14, 20012160), (15, 18678016), (16, 17510640), (20, 14008512), (21, 13341440), (24, 11673760), (28, 10006080), (30, 9339008), (32, 8755320), (35, 8004864), (40, 7004256), (42, 6670720), (48, 5836880), (49, 5717760), (56, 5003040), (60, 4669504), (64, 4377660), (70, 4002432), (80, 3502128), (84, 3335360), (96, 2918440), (98, 2858880), (105, 2668288), (112, 2501520), (120, 2334752), (128, 2188830), (140, 2001216), (147, 1905920), (160, 1751064), (168, 1667680), (192, 1459220), (196, 1429440), (210, 1334144), (224, 1250760), (240, 1167376), (245, 1143552), (256, 1094415), (280, 1000608), (294, 952960), (320, 875532), (336, 833840), (384, 729610), (392, 714720), (420, 667072), (448, 625380), (480, 583688), (490, 571776), (560, 500304), (588, 476480), (640, 437766), (672, 416920), (735, 381184), (768, 364805), (784, 357360), (840, 333536), (896, 312690), (960, 291844), (980, 285888), (1120, 250152), (1176, 238240), (1280, 218883), (1344, 208460), (1470, 190592), (1489, 188160), (1568, 178680), (1680, 166768), (1792, 156345), (1920, 145922), (1960, 142944), (2240, 125076), (2352, 119120), (2688, 104230), (2940, 95296), (2978, 94080), (3136, 89340), (3360, 83384), (3840, 72961), (3920, 71472), (4467, 62720), (4480, 62538), (4704, 59560), (5376, 52115), (5880, 47648), (5956, 47040), (6272, 44670), (6720, 41692), (7445, 37632), (7840, 35736), (8934, 31360), (8960, 31269), (9408, 29780), (10423, 26880), (11760, 23824), (11912, 23520), (12544, 22335), (13440, 20846), (14890, 18816), (15680, 17868)]