65486880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 240

約数和(自身を含む): 240033024

約数和(自身を除く): 174546144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 163, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 326, 360, 372, 405, 432, 465, 480, 489, 496, 540, 558, 620, 648, 652, 720, 744, 810, 815, 837, 864, 930, 978, 992, 1080, 1116, 1240, 1296, 1304, 1395, 1440, 1467, 1488, 1620, 1630, 1674, 1860, 1956, 2160, 2232, 2445, 2480, 2511, 2592, 2608, 2790, 2934, 2976, 3240, 3260, 3348, 3720, 3912, 4185, 4320, 4401, 4464, 4890, 4960, 5022, 5053, 5216, 5580, 5868, 6480, 6520, 6696, 7335, 7440, 7824, 8370, 8802, 8928, 9780, 10044, 10106, 11160, 11736, 12555, 12960, 13040, 13203, 13392, 14670, 14880, 15159, 15648, 16740, 17604, 19560, 20088, 20212, 22005, 22320, 23472, 25110, 25265, 26080, 26406, 26784, 29340, 30318, 33480, 35208, 39120, 40176, 40424, 44010, 44640, 45477, 46944, 50220, 50530, 52812, 58680, 60636, 66015, 66960, 70416, 75795, 78240, 80352, 80848, 88020, 90954, 100440, 101060, 105624, 117360, 121272, 132030, 133920, 136431, 140832, 151590, 161696, 176040, 181908, 200880, 202120, 211248, 227385, 234720, 242544, 264060, 272862, 303180, 352080, 363816, 401760, 404240, 409293, 422496, 454770, 485088, 528120, 545724, 606360, 682155, 704160, 727632, 808480, 818586, 909540, 1056240, 1091448, 1212720, 1364310, 1455264, 1637172, 1819080, 2046465, 2112480, 2182896, 2425440, 2728620, 3274344, 3638160, 4092930, 4365792, 5457240, 6548688, 7276320, 8185860, 10914480, 13097376, 16371720, 21828960, 32743440, 65486880]

約数ペア:

[(1, 65486880), (2, 32743440), (3, 21828960), (4, 16371720), (5, 13097376), (6, 10914480), (8, 8185860), (9, 7276320), (10, 6548688), (12, 5457240), (15, 4365792), (16, 4092930), (18, 3638160), (20, 3274344), (24, 2728620), (27, 2425440), (30, 2182896), (31, 2112480), (32, 2046465), (36, 1819080), (40, 1637172), (45, 1455264), (48, 1364310), (54, 1212720), (60, 1091448), (62, 1056240), (72, 909540), (80, 818586), (81, 808480), (90, 727632), (93, 704160), (96, 682155), (108, 606360), (120, 545724), (124, 528120), (135, 485088), (144, 454770), (155, 422496), (160, 409293), (162, 404240), (163, 401760), (180, 363816), (186, 352080), (216, 303180), (240, 272862), (248, 264060), (270, 242544), (279, 234720), (288, 227385), (310, 211248), (324, 202120), (326, 200880), (360, 181908), (372, 176040), (405, 161696), (432, 151590), (465, 140832), (480, 136431), (489, 133920), (496, 132030), (540, 121272), (558, 117360), (620, 105624), (648, 101060), (652, 100440), (720, 90954), (744, 88020), (810, 80848), (815, 80352), (837, 78240), (864, 75795), (930, 70416), (978, 66960), (992, 66015), (1080, 60636), (1116, 58680), (1240, 52812), (1296, 50530), (1304, 50220), (1395, 46944), (1440, 45477), (1467, 44640), (1488, 44010), (1620, 40424), (1630, 40176), (1674, 39120), (1860, 35208), (1956, 33480), (2160, 30318), (2232, 29340), (2445, 26784), (2480, 26406), (2511, 26080), (2592, 25265), (2608, 25110), (2790, 23472), (2934, 22320), (2976, 22005), (3240, 20212), (3260, 20088), (3348, 19560), (3720, 17604), (3912, 16740), (4185, 15648), (4320, 15159), (4401, 14880), (4464, 14670), (4890, 13392), (4960, 13203), (5022, 13040), (5053, 12960), (5216, 12555), (5580, 11736), (5868, 11160), (6480, 10106), (6520, 10044), (6696, 9780), (7335, 8928), (7440, 8802), (7824, 8370)]