490180320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{6947}}^1$

素因数の和:6982

約数の個数: 216

約数和(自身を含む): 1946120904

約数和(自身を除く): 1455940584

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, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 6947, 7056, 7840, 8820, 10080, 11760, 13894, 14112, 17640, 20841, 23520, 27788, 34735, 35280, 41682, 48629, 55576, 62523, 69470, 70560, 83364, 97258, 104205, 111152, 125046, 138940, 145887, 166728, 194516, 208410, 222304, 243145, 250092, 277880, 291774, 312615, 333456, 340403, 389032, 416820, 437661, 486290, 500184, 555760, 583548, 625230, 666912, 680806, 729435, 778064, 833640, 875322, 972580, 1000368, 1021209, 1111520, 1167096, 1250460, 1361612, 1458870, 1556128, 1667280, 1702015, 1750644, 1945160, 2000736, 2042418, 2188305, 2334192, 2500920, 2723224, 2917740, 3063627, 3334560, 3404030, 3501288, 3890320, 4084836, 4376610, 4668384, 5001840, 5106045, 5446448, 5835480, 6127254, 6808060, 7002576, 7780640, 8169672, 8753220, 10003680, 10212090, 10892896, 11670960, 12254508, 13616120, 14005152, 15318135, 16339344, 17506440, 20424180, 23341920, 24509016, 27232240, 30636270, 32678688, 35012880, 40848360, 49018032, 54464480, 61272540, 70025760, 81696720, 98036064, 122545080, 163393440, 245090160, 490180320]

約数ペア:

[(1, 490180320), (2, 245090160), (3, 163393440), (4, 122545080), (5, 98036064), (6, 81696720), (7, 70025760), (8, 61272540), (9, 54464480), (10, 49018032), (12, 40848360), (14, 35012880), (15, 32678688), (16, 30636270), (18, 27232240), (20, 24509016), (21, 23341920), (24, 20424180), (28, 17506440), (30, 16339344), (32, 15318135), (35, 14005152), (36, 13616120), (40, 12254508), (42, 11670960), (45, 10892896), (48, 10212090), (49, 10003680), (56, 8753220), (60, 8169672), (63, 7780640), (70, 7002576), (72, 6808060), (80, 6127254), (84, 5835480), (90, 5446448), (96, 5106045), (98, 5001840), (105, 4668384), (112, 4376610), (120, 4084836), (126, 3890320), (140, 3501288), (144, 3404030), (147, 3334560), (160, 3063627), (168, 2917740), (180, 2723224), (196, 2500920), (210, 2334192), (224, 2188305), (240, 2042418), (245, 2000736), (252, 1945160), (280, 1750644), (288, 1702015), (294, 1667280), (315, 1556128), (336, 1458870), (360, 1361612), (392, 1250460), (420, 1167096), (441, 1111520), (480, 1021209), (490, 1000368), (504, 972580), (560, 875322), (588, 833640), (630, 778064), (672, 729435), (720, 680806), (735, 666912), (784, 625230), (840, 583548), (882, 555760), (980, 500184), (1008, 486290), (1120, 437661), (1176, 416820), (1260, 389032), (1440, 340403), (1470, 333456), (1568, 312615), (1680, 291774), (1764, 277880), (1960, 250092), (2016, 243145), (2205, 222304), (2352, 208410), (2520, 194516), (2940, 166728), (3360, 145887), (3528, 138940), (3920, 125046), (4410, 111152), (4704, 104205), (5040, 97258), (5880, 83364), (6947, 70560), (7056, 69470), (7840, 62523), (8820, 55576), (10080, 48629), (11760, 41682), (13894, 35280), (14112, 34735), (17640, 27788), (20841, 23520)]