251523720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:836

約数の個数: 192

約数和(自身を含む): 941840640

約数和(自身を除く): 690316920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 151, 168, 180, 210, 252, 280, 302, 315, 360, 420, 453, 504, 604, 630, 661, 755, 840, 906, 1057, 1208, 1260, 1322, 1359, 1510, 1812, 1983, 2114, 2265, 2520, 2644, 2718, 3020, 3171, 3305, 3624, 3966, 4228, 4530, 4627, 5285, 5288, 5436, 5949, 6040, 6342, 6610, 6795, 7932, 8456, 9060, 9254, 9513, 9915, 10570, 10872, 11898, 12684, 13220, 13590, 13881, 15855, 15864, 18120, 18508, 19026, 19830, 21140, 23135, 23796, 25368, 26440, 27180, 27762, 29745, 31710, 37016, 38052, 39660, 41643, 42280, 46270, 47565, 47592, 54360, 55524, 59490, 63420, 69405, 76104, 79320, 83286, 92540, 95130, 99811, 111048, 118980, 126840, 138810, 166572, 185080, 190260, 199622, 208215, 237960, 277620, 299433, 333144, 380520, 399244, 416430, 499055, 555240, 598866, 698677, 798488, 832860, 898299, 998110, 1197732, 1397354, 1497165, 1665720, 1796598, 1996220, 2096031, 2395464, 2794708, 2994330, 3493385, 3593196, 3992440, 4192062, 4491495, 5589416, 5988660, 6288093, 6986770, 7186392, 8384124, 8982990, 10480155, 11977320, 12576186, 13973540, 16768248, 17965980, 20960310, 25152372, 27947080, 31440465, 35931960, 41920620, 50304744, 62880930, 83841240, 125761860, 251523720]

約数ペア:

[(1, 251523720), (2, 125761860), (3, 83841240), (4, 62880930), (5, 50304744), (6, 41920620), (7, 35931960), (8, 31440465), (9, 27947080), (10, 25152372), (12, 20960310), (14, 17965980), (15, 16768248), (18, 13973540), (20, 12576186), (21, 11977320), (24, 10480155), (28, 8982990), (30, 8384124), (35, 7186392), (36, 6986770), (40, 6288093), (42, 5988660), (45, 5589416), (56, 4491495), (60, 4192062), (63, 3992440), (70, 3593196), (72, 3493385), (84, 2994330), (90, 2794708), (105, 2395464), (120, 2096031), (126, 1996220), (140, 1796598), (151, 1665720), (168, 1497165), (180, 1397354), (210, 1197732), (252, 998110), (280, 898299), (302, 832860), (315, 798488), (360, 698677), (420, 598866), (453, 555240), (504, 499055), (604, 416430), (630, 399244), (661, 380520), (755, 333144), (840, 299433), (906, 277620), (1057, 237960), (1208, 208215), (1260, 199622), (1322, 190260), (1359, 185080), (1510, 166572), (1812, 138810), (1983, 126840), (2114, 118980), (2265, 111048), (2520, 99811), (2644, 95130), (2718, 92540), (3020, 83286), (3171, 79320), (3305, 76104), (3624, 69405), (3966, 63420), (4228, 59490), (4530, 55524), (4627, 54360), (5285, 47592), (5288, 47565), (5436, 46270), (5949, 42280), (6040, 41643), (6342, 39660), (6610, 38052), (6795, 37016), (7932, 31710), (8456, 29745), (9060, 27762), (9254, 27180), (9513, 26440), (9915, 25368), (10570, 23796), (10872, 23135), (11898, 21140), (12684, 19830), (13220, 19026), (13590, 18508), (13881, 18120), (15855, 15864)]