645751680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2089}}^1$

素因数の和:2141

約数の個数: 256

約数和(自身を含む): 2455833600

約数和(自身を除く): 1810081920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 384, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 805, 840, 896, 920, 960, 966, 1104, 1120, 1288, 1344, 1380, 1472, 1610, 1680, 1840, 1920, 1932, 2089, 2208, 2240, 2415, 2576, 2688, 2760, 2944, 3220, 3360, 3680, 3864, 4178, 4416, 4480, 4830, 5152, 5520, 6267, 6440, 6720, 7360, 7728, 8356, 8832, 9660, 10304, 10445, 11040, 12534, 12880, 13440, 14623, 14720, 15456, 16712, 19320, 20608, 20890, 22080, 25068, 25760, 29246, 30912, 31335, 33424, 38640, 41780, 43869, 44160, 48047, 50136, 51520, 58492, 61824, 62670, 66848, 73115, 77280, 83560, 87738, 96094, 100272, 103040, 116984, 125340, 133696, 144141, 146230, 154560, 167120, 175476, 192188, 200544, 219345, 233968, 240235, 250680, 267392, 288282, 292460, 309120, 334240, 336329, 350952, 384376, 401088, 438690, 467936, 480470, 501360, 576564, 584920, 668480, 672658, 701904, 720705, 768752, 802176, 877380, 935872, 960940, 1002720, 1008987, 1153128, 1169840, 1336960, 1345316, 1403808, 1441410, 1537504, 1681645, 1754760, 1871744, 1921880, 2005440, 2017974, 2306256, 2339680, 2690632, 2807616, 2882820, 3075008, 3363290, 3509520, 3843760, 4010880, 4035948, 4612512, 4679360, 5044935, 5381264, 5615232, 5765640, 6150016, 6726580, 7019040, 7687520, 8071896, 9225024, 9358720, 10089870, 10762528, 11531280, 13453160, 14038080, 15375040, 16143792, 18450048, 20179740, 21525056, 23062560, 26906320, 28076160, 30750080, 32287584, 40359480, 43050112, 46125120, 53812640, 64575168, 80718960, 92250240, 107625280, 129150336, 161437920, 215250560, 322875840, 645751680]

約数ペア:

[(1, 645751680), (2, 322875840), (3, 215250560), (4, 161437920), (5, 129150336), (6, 107625280), (7, 92250240), (8, 80718960), (10, 64575168), (12, 53812640), (14, 46125120), (15, 43050112), (16, 40359480), (20, 32287584), (21, 30750080), (23, 28076160), (24, 26906320), (28, 23062560), (30, 21525056), (32, 20179740), (35, 18450048), (40, 16143792), (42, 15375040), (46, 14038080), (48, 13453160), (56, 11531280), (60, 10762528), (64, 10089870), (69, 9358720), (70, 9225024), (80, 8071896), (84, 7687520), (92, 7019040), (96, 6726580), (105, 6150016), (112, 5765640), (115, 5615232), (120, 5381264), (128, 5044935), (138, 4679360), (140, 4612512), (160, 4035948), (161, 4010880), (168, 3843760), (184, 3509520), (192, 3363290), (210, 3075008), (224, 2882820), (230, 2807616), (240, 2690632), (276, 2339680), (280, 2306256), (320, 2017974), (322, 2005440), (336, 1921880), (345, 1871744), (368, 1754760), (384, 1681645), (420, 1537504), (448, 1441410), (460, 1403808), (480, 1345316), (483, 1336960), (552, 1169840), (560, 1153128), (640, 1008987), (644, 1002720), (672, 960940), (690, 935872), (736, 877380), (805, 802176), (840, 768752), (896, 720705), (920, 701904), (960, 672658), (966, 668480), (1104, 584920), (1120, 576564), (1288, 501360), (1344, 480470), (1380, 467936), (1472, 438690), (1610, 401088), (1680, 384376), (1840, 350952), (1920, 336329), (1932, 334240), (2089, 309120), (2208, 292460), (2240, 288282), (2415, 267392), (2576, 250680), (2688, 240235), (2760, 233968), (2944, 219345), (3220, 200544), (3360, 192188), (3680, 175476), (3864, 167120), (4178, 154560), (4416, 146230), (4480, 144141), (4830, 133696), (5152, 125340), (5520, 116984), (6267, 103040), (6440, 100272), (6720, 96094), (7360, 87738), (7728, 83560), (8356, 77280), (8832, 73115), (9660, 66848), (10304, 62670), (10445, 61824), (11040, 58492), (12534, 51520), (12880, 50136), (13440, 48047), (14623, 44160), (14720, 43869), (15456, 41780), (16712, 38640), (19320, 33424), (20608, 31335), (20890, 30912), (22080, 29246), (25068, 25760)]