20120661120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{4241}}^1$

素因数の和:4623

約数の個数: 256

約数和(自身を含む): 73521665280

約数和(自身を除く): 53401004160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 353, 384, 420, 448, 480, 560, 640, 672, 706, 840, 896, 960, 1059, 1120, 1344, 1412, 1680, 1765, 1920, 2118, 2240, 2471, 2688, 2824, 3360, 3530, 4236, 4241, 4480, 4942, 5295, 5648, 6720, 7060, 7413, 8472, 8482, 9884, 10590, 11296, 12355, 12723, 13440, 14120, 14826, 16944, 16964, 19768, 21180, 21205, 22592, 24710, 25446, 28240, 29652, 29687, 33888, 33928, 37065, 39536, 42360, 42410, 45184, 49420, 50892, 56480, 59304, 59374, 63615, 67776, 67856, 74130, 79072, 84720, 84820, 89061, 98840, 101784, 112960, 118608, 118748, 127230, 135552, 135712, 148260, 148435, 158144, 169440, 169640, 178122, 197680, 203568, 225920, 237216, 237496, 254460, 271424, 296520, 296870, 316288, 338880, 339280, 356244, 395360, 407136, 445305, 474432, 474992, 508920, 542848, 593040, 593740, 677760, 678560, 712488, 790720, 814272, 890610, 948864, 949984, 1017840, 1186080, 1187480, 1357120, 1424976, 1497073, 1581440, 1628544, 1781220, 1899968, 2035680, 2372160, 2374960, 2714240, 2849952, 2994146, 3562440, 3799936, 4071360, 4491219, 4744320, 4749920, 5699904, 5988292, 7124880, 7485365, 8142720, 8982438, 9499840, 10479511, 11399808, 11976584, 14249760, 14970730, 17964876, 18999680, 20959022, 22456095, 23953168, 28499520, 29941460, 31438533, 35929752, 41918044, 44912190, 47906336, 52397555, 56999040, 59882920, 62877066, 71859504, 83836088, 89824380, 95812672, 104795110, 119765840, 125754132, 143719008, 157192665, 167672176, 179648760, 191625344, 209590220, 239531680, 251508264, 287438016, 314385330, 335344352, 359297520, 419180440, 479063360, 503016528, 574876032, 628770660, 670688704, 718595040, 838360880, 958126720, 1006033056, 1257541320, 1341377408, 1437190080, 1676721760, 2012066112, 2515082640, 2874380160, 3353443520, 4024132224, 5030165280, 6706887040, 10060330560, 20120661120]

約数ペア:

[(1, 20120661120), (2, 10060330560), (3, 6706887040), (4, 5030165280), (5, 4024132224), (6, 3353443520), (7, 2874380160), (8, 2515082640), (10, 2012066112), (12, 1676721760), (14, 1437190080), (15, 1341377408), (16, 1257541320), (20, 1006033056), (21, 958126720), (24, 838360880), (28, 718595040), (30, 670688704), (32, 628770660), (35, 574876032), (40, 503016528), (42, 479063360), (48, 419180440), (56, 359297520), (60, 335344352), (64, 314385330), (70, 287438016), (80, 251508264), (84, 239531680), (96, 209590220), (105, 191625344), (112, 179648760), (120, 167672176), (128, 157192665), (140, 143719008), (160, 125754132), (168, 119765840), (192, 104795110), (210, 95812672), (224, 89824380), (240, 83836088), (280, 71859504), (320, 62877066), (336, 59882920), (353, 56999040), (384, 52397555), (420, 47906336), (448, 44912190), (480, 41918044), (560, 35929752), (640, 31438533), (672, 29941460), (706, 28499520), (840, 23953168), (896, 22456095), (960, 20959022), (1059, 18999680), (1120, 17964876), (1344, 14970730), (1412, 14249760), (1680, 11976584), (1765, 11399808), (1920, 10479511), (2118, 9499840), (2240, 8982438), (2471, 8142720), (2688, 7485365), (2824, 7124880), (3360, 5988292), (3530, 5699904), (4236, 4749920), (4241, 4744320), (4480, 4491219), (4942, 4071360), (5295, 3799936), (5648, 3562440), (6720, 2994146), (7060, 2849952), (7413, 2714240), (8472, 2374960), (8482, 2372160), (9884, 2035680), (10590, 1899968), (11296, 1781220), (12355, 1628544), (12723, 1581440), (13440, 1497073), (14120, 1424976), (14826, 1357120), (16944, 1187480), (16964, 1186080), (19768, 1017840), (21180, 949984), (21205, 948864), (22592, 890610), (24710, 814272), (25446, 790720), (28240, 712488), (29652, 678560), (29687, 677760), (33888, 593740), (33928, 593040), (37065, 542848), (39536, 508920), (42360, 474992), (42410, 474432), (45184, 445305), (49420, 407136), (50892, 395360), (56480, 356244), (59304, 339280), (59374, 338880), (63615, 316288), (67776, 296870), (67856, 296520), (74130, 271424), (79072, 254460), (84720, 237496), (84820, 237216), (89061, 225920), (98840, 203568), (101784, 197680), (112960, 178122), (118608, 169640), (118748, 169440), (127230, 158144), (135552, 148435), (135712, 148260)]