640540078080

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{1489351}}^1$

素因数の和:1489390

約数の個数: 208

約数和(自身を含む): 2342262188544

約数和(自身を除く): 1701722110464

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, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2048, 2240, 2560, 2688, 3072, 3360, 3584, 3840, 4096, 4480, 5120, 5376, 6144, 6720, 7168, 7680, 8960, 10240, 10752, 12288, 13440, 14336, 15360, 17920, 20480, 21504, 26880, 28672, 30720, 35840, 43008, 53760, 61440, 71680, 86016, 107520, 143360, 215040, 430080, 1489351, 2978702, 4468053, 5957404, 7446755, 8936106, 10425457, 11914808, 14893510, 17872212, 20850914, 22340265, 23829616, 29787020, 31276371, 35744424, 41701828, 44680530, 47659232, 52127285, 59574040, 62552742, 71488848, 83403656, 89361060, 95318464, 104254570, 119148080, 125105484, 142977696, 156381855, 166807312, 178722120, 190636928, 208509140, 238296160, 250210968, 285955392, 312763710, 333614624, 357444240, 381273856, 417018280, 476592320, 500421936, 571910784, 625527420, 667229248, 714888480, 762547712, 834036560, 953184640, 1000843872, 1143821568, 1251054840, 1334458496, 1429776960, 1525095424, 1668073120, 1906369280, 2001687744, 2287643136, 2502109680, 2668916992, 2859553920, 3050190848, 3336146240, 3812738560, 4003375488, 4575286272, 5004219360, 5337833984, 5719107840, 6100381696, 6672292480, 7625477120, 8006750976, 9150572544, 10008438720, 10675667968, 11438215680, 13344584960, 15250954240, 16013501952, 18301145088, 20016877440, 21351335936, 22876431360, 26689169920, 30501908480, 32027003904, 40033754880, 42702671872, 45752862720, 53378339840, 64054007808, 80067509760, 91505725440, 106756679680, 128108015616, 160135019520, 213513359360, 320270039040, 640540078080]

約数ペア:

[(1, 640540078080), (2, 320270039040), (3, 213513359360), (4, 160135019520), (5, 128108015616), (6, 106756679680), (7, 91505725440), (8, 80067509760), (10, 64054007808), (12, 53378339840), (14, 45752862720), (15, 42702671872), (16, 40033754880), (20, 32027003904), (21, 30501908480), (24, 26689169920), (28, 22876431360), (30, 21351335936), (32, 20016877440), (35, 18301145088), (40, 16013501952), (42, 15250954240), (48, 13344584960), (56, 11438215680), (60, 10675667968), (64, 10008438720), (70, 9150572544), (80, 8006750976), (84, 7625477120), (96, 6672292480), (105, 6100381696), (112, 5719107840), (120, 5337833984), (128, 5004219360), (140, 4575286272), (160, 4003375488), (168, 3812738560), (192, 3336146240), (210, 3050190848), (224, 2859553920), (240, 2668916992), (256, 2502109680), (280, 2287643136), (320, 2001687744), (336, 1906369280), (384, 1668073120), (420, 1525095424), (448, 1429776960), (480, 1334458496), (512, 1251054840), (560, 1143821568), (640, 1000843872), (672, 953184640), (768, 834036560), (840, 762547712), (896, 714888480), (960, 667229248), (1024, 625527420), (1120, 571910784), (1280, 500421936), (1344, 476592320), (1536, 417018280), (1680, 381273856), (1792, 357444240), (1920, 333614624), (2048, 312763710), (2240, 285955392), (2560, 250210968), (2688, 238296160), (3072, 208509140), (3360, 190636928), (3584, 178722120), (3840, 166807312), (4096, 156381855), (4480, 142977696), (5120, 125105484), (5376, 119148080), (6144, 104254570), (6720, 95318464), (7168, 89361060), (7680, 83403656), (8960, 71488848), (10240, 62552742), (10752, 59574040), (12288, 52127285), (13440, 47659232), (14336, 44680530), (15360, 41701828), (17920, 35744424), (20480, 31276371), (21504, 29787020), (26880, 23829616), (28672, 22340265), (30720, 20850914), (35840, 17872212), (43008, 14893510), (53760, 11914808), (61440, 10425457), (71680, 8936106), (86016, 7446755), (107520, 5957404), (143360, 4468053), (215040, 2978702), (430080, 1489351)]