639848160

素因数分解:

$2^5\times 3^5\times 5^1\times 7^1\times {\mathrm{2351}}^1$

素因数の和:2388

約数の個数: 288

約数和(自身を含む): 2588931072

約数和(自身を除く): 1949082912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 486, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 972, 1008, 1080, 1120, 1134, 1215, 1260, 1296, 1440, 1512, 1620, 1680, 1701, 1890, 1944, 2016, 2160, 2268, 2351, 2430, 2520, 2592, 2835, 3024, 3240, 3360, 3402, 3780, 3888, 4320, 4536, 4702, 4860, 5040, 5670, 6048, 6480, 6804, 7053, 7560, 7776, 8505, 9072, 9404, 9720, 10080, 11340, 11755, 12960, 13608, 14106, 15120, 16457, 17010, 18144, 18808, 19440, 21159, 22680, 23510, 27216, 28212, 30240, 32914, 34020, 35265, 37616, 38880, 42318, 45360, 47020, 49371, 54432, 56424, 63477, 65828, 68040, 70530, 75232, 82285, 84636, 90720, 94040, 98742, 105795, 112848, 126954, 131656, 136080, 141060, 148113, 164570, 169272, 188080, 190431, 197484, 211590, 225696, 246855, 253908, 263312, 272160, 282120, 296226, 317385, 329140, 338544, 376160, 380862, 394968, 423180, 444339, 493710, 507816, 526624, 564240, 571293, 592452, 634770, 658280, 677088, 740565, 761724, 789936, 846360, 888678, 952155, 987420, 1015632, 1128480, 1142586, 1184904, 1269540, 1316560, 1333017, 1481130, 1523448, 1579872, 1692720, 1777356, 1904310, 1974840, 2031264, 2221695, 2285172, 2369808, 2539080, 2633120, 2666034, 2856465, 2962260, 3046896, 3385440, 3554712, 3808620, 3949680, 3999051, 4443390, 4570344, 4739616, 5078160, 5332068, 5712930, 5924520, 6093792, 6665085, 7109424, 7617240, 7899360, 7998102, 8886780, 9140688, 10156320, 10664136, 11425860, 11849040, 13330170, 14218848, 15234480, 15996204, 17773560, 18281376, 19995255, 21328272, 22851720, 23698080, 26660340, 30468960, 31992408, 35547120, 39990510, 42656544, 45703440, 53320680, 63984816, 71094240, 79981020, 91406880, 106641360, 127969632, 159962040, 213282720, 319924080, 639848160]

約数ペア:

[(1, 639848160), (2, 319924080), (3, 213282720), (4, 159962040), (5, 127969632), (6, 106641360), (7, 91406880), (8, 79981020), (9, 71094240), (10, 63984816), (12, 53320680), (14, 45703440), (15, 42656544), (16, 39990510), (18, 35547120), (20, 31992408), (21, 30468960), (24, 26660340), (27, 23698080), (28, 22851720), (30, 21328272), (32, 19995255), (35, 18281376), (36, 17773560), (40, 15996204), (42, 15234480), (45, 14218848), (48, 13330170), (54, 11849040), (56, 11425860), (60, 10664136), (63, 10156320), (70, 9140688), (72, 8886780), (80, 7998102), (81, 7899360), (84, 7617240), (90, 7109424), (96, 6665085), (105, 6093792), (108, 5924520), (112, 5712930), (120, 5332068), (126, 5078160), (135, 4739616), (140, 4570344), (144, 4443390), (160, 3999051), (162, 3949680), (168, 3808620), (180, 3554712), (189, 3385440), (210, 3046896), (216, 2962260), (224, 2856465), (240, 2666034), (243, 2633120), (252, 2539080), (270, 2369808), (280, 2285172), (288, 2221695), (315, 2031264), (324, 1974840), (336, 1904310), (360, 1777356), (378, 1692720), (405, 1579872), (420, 1523448), (432, 1481130), (480, 1333017), (486, 1316560), (504, 1269540), (540, 1184904), (560, 1142586), (567, 1128480), (630, 1015632), (648, 987420), (672, 952155), (720, 888678), (756, 846360), (810, 789936), (840, 761724), (864, 740565), (945, 677088), (972, 658280), (1008, 634770), (1080, 592452), (1120, 571293), (1134, 564240), (1215, 526624), (1260, 507816), (1296, 493710), (1440, 444339), (1512, 423180), (1620, 394968), (1680, 380862), (1701, 376160), (1890, 338544), (1944, 329140), (2016, 317385), (2160, 296226), (2268, 282120), (2351, 272160), (2430, 263312), (2520, 253908), (2592, 246855), (2835, 225696), (3024, 211590), (3240, 197484), (3360, 190431), (3402, 188080), (3780, 169272), (3888, 164570), (4320, 148113), (4536, 141060), (4702, 136080), (4860, 131656), (5040, 126954), (5670, 112848), (6048, 105795), (6480, 98742), (6804, 94040), (7053, 90720), (7560, 84636), (7776, 82285), (8505, 75232), (9072, 70530), (9404, 68040), (9720, 65828), (10080, 63477), (11340, 56424), (11755, 54432), (12960, 49371), (13608, 47020), (14106, 45360), (15120, 42318), (16457, 38880), (17010, 37616), (18144, 35265), (18808, 34020), (19440, 32914), (21159, 30240), (22680, 28212), (23510, 27216)]