1720558080

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1409}}^1$

素因数の和:1491

約数の個数: 240

約数和(自身を含む): 6075515160

約数和(自身を除く): 4354957080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 192, 212, 240, 256, 265, 288, 318, 320, 360, 384, 424, 477, 480, 512, 530, 576, 636, 640, 720, 768, 795, 848, 954, 960, 1060, 1152, 1272, 1280, 1409, 1440, 1536, 1590, 1696, 1908, 1920, 2120, 2304, 2385, 2544, 2560, 2818, 2880, 3180, 3392, 3816, 3840, 4227, 4240, 4608, 4770, 5088, 5636, 5760, 6360, 6784, 7045, 7632, 7680, 8454, 8480, 9540, 10176, 11272, 11520, 12681, 12720, 13568, 14090, 15264, 16908, 16960, 19080, 20352, 21135, 22544, 23040, 25362, 25440, 27136, 28180, 30528, 33816, 33920, 38160, 40704, 42270, 45088, 50724, 50880, 56360, 61056, 63405, 67632, 67840, 74677, 76320, 81408, 84540, 90176, 101448, 101760, 112720, 122112, 126810, 135264, 135680, 149354, 152640, 169080, 180352, 202896, 203520, 224031, 225440, 244224, 253620, 270528, 298708, 305280, 338160, 360704, 373385, 405792, 407040, 448062, 450880, 507240, 541056, 597416, 610560, 672093, 676320, 721408, 746770, 811584, 896124, 901760, 1014480, 1082112, 1120155, 1194832, 1221120, 1344186, 1352640, 1493540, 1623168, 1792248, 1803520, 2028960, 2164224, 2240310, 2389664, 2688372, 2705280, 2987080, 3246336, 3360465, 3584496, 3607040, 4057920, 4480620, 4779328, 5376744, 5410560, 5974160, 6492672, 6720930, 7168992, 8115840, 8961240, 9558656, 10753488, 10821120, 11948320, 13441860, 14337984, 16231680, 17922480, 19117312, 21506976, 23896640, 26883720, 28675968, 32463360, 35844960, 38234624, 43013952, 47793280, 53767440, 57351936, 71689920, 86027904, 95586560, 107534880, 114703872, 143379840, 172055808, 191173120, 215069760, 286759680, 344111616, 430139520, 573519360, 860279040, 1720558080]

約数ペア:

[(1, 1720558080), (2, 860279040), (3, 573519360), (4, 430139520), (5, 344111616), (6, 286759680), (8, 215069760), (9, 191173120), (10, 172055808), (12, 143379840), (15, 114703872), (16, 107534880), (18, 95586560), (20, 86027904), (24, 71689920), (30, 57351936), (32, 53767440), (36, 47793280), (40, 43013952), (45, 38234624), (48, 35844960), (53, 32463360), (60, 28675968), (64, 26883720), (72, 23896640), (80, 21506976), (90, 19117312), (96, 17922480), (106, 16231680), (120, 14337984), (128, 13441860), (144, 11948320), (159, 10821120), (160, 10753488), (180, 9558656), (192, 8961240), (212, 8115840), (240, 7168992), (256, 6720930), (265, 6492672), (288, 5974160), (318, 5410560), (320, 5376744), (360, 4779328), (384, 4480620), (424, 4057920), (477, 3607040), (480, 3584496), (512, 3360465), (530, 3246336), (576, 2987080), (636, 2705280), (640, 2688372), (720, 2389664), (768, 2240310), (795, 2164224), (848, 2028960), (954, 1803520), (960, 1792248), (1060, 1623168), (1152, 1493540), (1272, 1352640), (1280, 1344186), (1409, 1221120), (1440, 1194832), (1536, 1120155), (1590, 1082112), (1696, 1014480), (1908, 901760), (1920, 896124), (2120, 811584), (2304, 746770), (2385, 721408), (2544, 676320), (2560, 672093), (2818, 610560), (2880, 597416), (3180, 541056), (3392, 507240), (3816, 450880), (3840, 448062), (4227, 407040), (4240, 405792), (4608, 373385), (4770, 360704), (5088, 338160), (5636, 305280), (5760, 298708), (6360, 270528), (6784, 253620), (7045, 244224), (7632, 225440), (7680, 224031), (8454, 203520), (8480, 202896), (9540, 180352), (10176, 169080), (11272, 152640), (11520, 149354), (12681, 135680), (12720, 135264), (13568, 126810), (14090, 122112), (15264, 112720), (16908, 101760), (16960, 101448), (19080, 90176), (20352, 84540), (21135, 81408), (22544, 76320), (23040, 74677), (25362, 67840), (25440, 67632), (27136, 63405), (28180, 61056), (30528, 56360), (33816, 50880), (33920, 50724), (38160, 45088), (40704, 42270)]