1680821280

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2543}}^1$

素因数の和:2590

約数の個数: 288

約数和(自身を含む): 6300612864

約数和(自身を除く): 4619791584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 162, 170, 180, 204, 216, 240, 243, 255, 270, 272, 288, 306, 324, 340, 360, 405, 408, 432, 459, 480, 486, 510, 540, 544, 612, 648, 680, 720, 765, 810, 816, 864, 918, 972, 1020, 1080, 1215, 1224, 1296, 1360, 1377, 1440, 1530, 1620, 1632, 1836, 1944, 2040, 2160, 2295, 2430, 2448, 2543, 2592, 2720, 2754, 3060, 3240, 3672, 3888, 4080, 4131, 4320, 4590, 4860, 4896, 5086, 5508, 6120, 6480, 6885, 7344, 7629, 7776, 8160, 8262, 9180, 9720, 10172, 11016, 12240, 12715, 12960, 13770, 14688, 15258, 16524, 18360, 19440, 20344, 20655, 22032, 22887, 24480, 25430, 27540, 30516, 33048, 36720, 38145, 38880, 40688, 41310, 43231, 44064, 45774, 50860, 55080, 61032, 66096, 68661, 73440, 76290, 81376, 82620, 86462, 91548, 101720, 110160, 114435, 122064, 129693, 132192, 137322, 152580, 165240, 172924, 183096, 203440, 205983, 216155, 220320, 228870, 244128, 259386, 274644, 305160, 330480, 343305, 345848, 366192, 389079, 406880, 411966, 432310, 457740, 518772, 549288, 610320, 617949, 648465, 660960, 686610, 691696, 732384, 778158, 823932, 864620, 915480, 1029915, 1037544, 1098576, 1167237, 1220640, 1235898, 1296930, 1373220, 1383392, 1556316, 1647864, 1729240, 1830960, 1945395, 2059830, 2075088, 2197152, 2334474, 2471796, 2593860, 2746440, 3089745, 3112632, 3295728, 3458480, 3501711, 3661920, 3890790, 4119660, 4150176, 4668948, 4943592, 5187720, 5492880, 5836185, 6179490, 6225264, 6591456, 6916960, 7003422, 7781580, 8239320, 9337896, 9887184, 10375440, 10505133, 10985760, 11672370, 12358980, 12450528, 14006844, 15563160, 16478640, 17508555, 18675792, 19774368, 20750880, 21010266, 23344740, 24717960, 28013688, 31126320, 32957280, 35017110, 37351584, 42020532, 46689480, 49435920, 52525665, 56027376, 62252640, 70034220, 84041064, 93378960, 98871840, 105051330, 112054752, 140068440, 168082128, 186757920, 210102660, 280136880, 336164256, 420205320, 560273760, 840410640, 1680821280]

約数ペア:

[(1, 1680821280), (2, 840410640), (3, 560273760), (4, 420205320), (5, 336164256), (6, 280136880), (8, 210102660), (9, 186757920), (10, 168082128), (12, 140068440), (15, 112054752), (16, 105051330), (17, 98871840), (18, 93378960), (20, 84041064), (24, 70034220), (27, 62252640), (30, 56027376), (32, 52525665), (34, 49435920), (36, 46689480), (40, 42020532), (45, 37351584), (48, 35017110), (51, 32957280), (54, 31126320), (60, 28013688), (68, 24717960), (72, 23344740), (80, 21010266), (81, 20750880), (85, 19774368), (90, 18675792), (96, 17508555), (102, 16478640), (108, 15563160), (120, 14006844), (135, 12450528), (136, 12358980), (144, 11672370), (153, 10985760), (160, 10505133), (162, 10375440), (170, 9887184), (180, 9337896), (204, 8239320), (216, 7781580), (240, 7003422), (243, 6916960), (255, 6591456), (270, 6225264), (272, 6179490), (288, 5836185), (306, 5492880), (324, 5187720), (340, 4943592), (360, 4668948), (405, 4150176), (408, 4119660), (432, 3890790), (459, 3661920), (480, 3501711), (486, 3458480), (510, 3295728), (540, 3112632), (544, 3089745), (612, 2746440), (648, 2593860), (680, 2471796), (720, 2334474), (765, 2197152), (810, 2075088), (816, 2059830), (864, 1945395), (918, 1830960), (972, 1729240), (1020, 1647864), (1080, 1556316), (1215, 1383392), (1224, 1373220), (1296, 1296930), (1360, 1235898), (1377, 1220640), (1440, 1167237), (1530, 1098576), (1620, 1037544), (1632, 1029915), (1836, 915480), (1944, 864620), (2040, 823932), (2160, 778158), (2295, 732384), (2430, 691696), (2448, 686610), (2543, 660960), (2592, 648465), (2720, 617949), (2754, 610320), (3060, 549288), (3240, 518772), (3672, 457740), (3888, 432310), (4080, 411966), (4131, 406880), (4320, 389079), (4590, 366192), (4860, 345848), (4896, 343305), (5086, 330480), (5508, 305160), (6120, 274644), (6480, 259386), (6885, 244128), (7344, 228870), (7629, 220320), (7776, 216155), (8160, 205983), (8262, 203440), (9180, 183096), (9720, 172924), (10172, 165240), (11016, 152580), (12240, 137322), (12715, 132192), (12960, 129693), (13770, 122064), (14688, 114435), (15258, 110160), (16524, 101720), (18360, 91548), (19440, 86462), (20344, 82620), (20655, 81376), (22032, 76290), (22887, 73440), (24480, 68661), (25430, 66096), (27540, 61032), (30516, 55080), (33048, 50860), (36720, 45774), (38145, 44064), (38880, 43231), (40688, 41310)]