245141280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 288

約数和(自身を含む): 887350464

約数和(自身を除く): 642209184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 43, 45, 48, 60, 72, 74, 80, 86, 90, 96, 107, 111, 120, 129, 144, 148, 160, 172, 180, 185, 214, 215, 222, 240, 258, 288, 296, 321, 333, 344, 360, 370, 387, 428, 430, 444, 480, 516, 535, 555, 592, 642, 645, 666, 688, 720, 740, 774, 856, 860, 888, 963, 1032, 1070, 1110, 1184, 1284, 1290, 1332, 1376, 1440, 1480, 1548, 1591, 1605, 1665, 1712, 1720, 1776, 1926, 1935, 2064, 2140, 2220, 2568, 2580, 2664, 2960, 3096, 3182, 3210, 3330, 3424, 3440, 3552, 3852, 3870, 3959, 4128, 4280, 4440, 4601, 4773, 4815, 5136, 5160, 5328, 5920, 6192, 6364, 6420, 6660, 6880, 7704, 7740, 7918, 7955, 8560, 8880, 9202, 9546, 9630, 10272, 10320, 10656, 11877, 12384, 12728, 12840, 13320, 13803, 14319, 15408, 15480, 15836, 15910, 17120, 17760, 18404, 19092, 19260, 19795, 20640, 23005, 23754, 23865, 25456, 25680, 26640, 27606, 28638, 30816, 30960, 31672, 31820, 35631, 36808, 38184, 38520, 39590, 41409, 46010, 47508, 47730, 50912, 51360, 53280, 55212, 57276, 59385, 61920, 63344, 63640, 69015, 71262, 71595, 73616, 76368, 77040, 79180, 82818, 92020, 95016, 95460, 110424, 114552, 118770, 126688, 127280, 138030, 142524, 143190, 147232, 152736, 154080, 158360, 165636, 170237, 178155, 184040, 190032, 190920, 207045, 220848, 229104, 237540, 254560, 276060, 285048, 286380, 316720, 331272, 340474, 356310, 368080, 380064, 381840, 414090, 441696, 458208, 475080, 510711, 552120, 570096, 572760, 633440, 662544, 680948, 712620, 736160, 763680, 828180, 851185, 950160, 1021422, 1104240, 1140192, 1145520, 1325088, 1361896, 1425240, 1532133, 1656360, 1702370, 1900320, 2042844, 2208480, 2291040, 2553555, 2723792, 2850480, 3064266, 3312720, 3404740, 4085688, 5107110, 5447584, 5700960, 6128532, 6625440, 6809480, 7660665, 8171376, 10214220, 12257064, 13618960, 15321330, 16342752, 20428440, 24514128, 27237920, 30642660, 40856880, 49028256, 61285320, 81713760, 122570640, 245141280]

約数ペア:

[(1, 245141280), (2, 122570640), (3, 81713760), (4, 61285320), (5, 49028256), (6, 40856880), (8, 30642660), (9, 27237920), (10, 24514128), (12, 20428440), (15, 16342752), (16, 15321330), (18, 13618960), (20, 12257064), (24, 10214220), (30, 8171376), (32, 7660665), (36, 6809480), (37, 6625440), (40, 6128532), (43, 5700960), (45, 5447584), (48, 5107110), (60, 4085688), (72, 3404740), (74, 3312720), (80, 3064266), (86, 2850480), (90, 2723792), (96, 2553555), (107, 2291040), (111, 2208480), (120, 2042844), (129, 1900320), (144, 1702370), (148, 1656360), (160, 1532133), (172, 1425240), (180, 1361896), (185, 1325088), (214, 1145520), (215, 1140192), (222, 1104240), (240, 1021422), (258, 950160), (288, 851185), (296, 828180), (321, 763680), (333, 736160), (344, 712620), (360, 680948), (370, 662544), (387, 633440), (428, 572760), (430, 570096), (444, 552120), (480, 510711), (516, 475080), (535, 458208), (555, 441696), (592, 414090), (642, 381840), (645, 380064), (666, 368080), (688, 356310), (720, 340474), (740, 331272), (774, 316720), (856, 286380), (860, 285048), (888, 276060), (963, 254560), (1032, 237540), (1070, 229104), (1110, 220848), (1184, 207045), (1284, 190920), (1290, 190032), (1332, 184040), (1376, 178155), (1440, 170237), (1480, 165636), (1548, 158360), (1591, 154080), (1605, 152736), (1665, 147232), (1712, 143190), (1720, 142524), (1776, 138030), (1926, 127280), (1935, 126688), (2064, 118770), (2140, 114552), (2220, 110424), (2568, 95460), (2580, 95016), (2664, 92020), (2960, 82818), (3096, 79180), (3182, 77040), (3210, 76368), (3330, 73616), (3424, 71595), (3440, 71262), (3552, 69015), (3852, 63640), (3870, 63344), (3959, 61920), (4128, 59385), (4280, 57276), (4440, 55212), (4601, 53280), (4773, 51360), (4815, 50912), (5136, 47730), (5160, 47508), (5328, 46010), (5920, 41409), (6192, 39590), (6364, 38520), (6420, 38184), (6660, 36808), (6880, 35631), (7704, 31820), (7740, 31672), (7918, 30960), (7955, 30816), (8560, 28638), (8880, 27606), (9202, 26640), (9546, 25680), (9630, 25456), (10272, 23865), (10320, 23754), (10656, 23005), (11877, 20640), (12384, 19795), (12728, 19260), (12840, 19092), (13320, 18404), (13803, 17760), (14319, 17120), (15408, 15910), (15480, 15836)]