1919312640

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{23801}}^1$

素因数の和:23835

約数の個数: 216

約数和(自身を含む): 7589600928

約数和(自身を除く): 5670288288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 23801, 26880, 40320, 47602, 71403, 80640, 95204, 119005, 142806, 166607, 190408, 214209, 238010, 285612, 333214, 357015, 380816, 428418, 476020, 499821, 571224, 666428, 714030, 761632, 833035, 856836, 952040, 999642, 1071045, 1142448, 1332856, 1428060, 1499463, 1523264, 1666070, 1713672, 1904080, 1999284, 2142090, 2284896, 2499105, 2665712, 2856120, 2998926, 3046528, 3332140, 3427344, 3808160, 3998568, 4284180, 4569792, 4998210, 5331424, 5712240, 5997852, 6093056, 6664280, 6854688, 7497315, 7616320, 7997136, 8568360, 9139584, 9996420, 10662848, 11424480, 11995704, 13328560, 13709376, 14994630, 15232640, 15994272, 17136720, 18279168, 19992840, 21325696, 22848960, 23991408, 26657120, 27418752, 29989260, 30465280, 31988544, 34273440, 39985680, 42651392, 45697920, 47982816, 53314240, 54837504, 59978520, 63977088, 68546880, 79971360, 91395840, 95965632, 106628480, 119957040, 127954176, 137093760, 159942720, 191931264, 213256960, 239914080, 274187520, 319885440, 383862528, 479828160, 639770880, 959656320, 1919312640]

約数ペア:

[(1, 1919312640), (2, 959656320), (3, 639770880), (4, 479828160), (5, 383862528), (6, 319885440), (7, 274187520), (8, 239914080), (9, 213256960), (10, 191931264), (12, 159942720), (14, 137093760), (15, 127954176), (16, 119957040), (18, 106628480), (20, 95965632), (21, 91395840), (24, 79971360), (28, 68546880), (30, 63977088), (32, 59978520), (35, 54837504), (36, 53314240), (40, 47982816), (42, 45697920), (45, 42651392), (48, 39985680), (56, 34273440), (60, 31988544), (63, 30465280), (64, 29989260), (70, 27418752), (72, 26657120), (80, 23991408), (84, 22848960), (90, 21325696), (96, 19992840), (105, 18279168), (112, 17136720), (120, 15994272), (126, 15232640), (128, 14994630), (140, 13709376), (144, 13328560), (160, 11995704), (168, 11424480), (180, 10662848), (192, 9996420), (210, 9139584), (224, 8568360), (240, 7997136), (252, 7616320), (256, 7497315), (280, 6854688), (288, 6664280), (315, 6093056), (320, 5997852), (336, 5712240), (360, 5331424), (384, 4998210), (420, 4569792), (448, 4284180), (480, 3998568), (504, 3808160), (560, 3427344), (576, 3332140), (630, 3046528), (640, 2998926), (672, 2856120), (720, 2665712), (768, 2499105), (840, 2284896), (896, 2142090), (960, 1999284), (1008, 1904080), (1120, 1713672), (1152, 1666070), (1260, 1523264), (1280, 1499463), (1344, 1428060), (1440, 1332856), (1680, 1142448), (1792, 1071045), (1920, 999642), (2016, 952040), (2240, 856836), (2304, 833035), (2520, 761632), (2688, 714030), (2880, 666428), (3360, 571224), (3840, 499821), (4032, 476020), (4480, 428418), (5040, 380816), (5376, 357015), (5760, 333214), (6720, 285612), (8064, 238010), (8960, 214209), (10080, 190408), (11520, 166607), (13440, 142806), (16128, 119005), (20160, 95204), (23801, 80640), (26880, 71403), (40320, 47602)]