1991280384

素因数分解:

$2^8\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:807

約数の個数: 216

約数和(自身を含む): 6112622880

約数和(自身を除く): 4121342496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 53, 64, 69, 72, 92, 96, 106, 128, 138, 144, 159, 184, 192, 207, 212, 256, 276, 288, 318, 368, 384, 414, 424, 477, 552, 576, 636, 709, 736, 768, 828, 848, 954, 1104, 1152, 1219, 1272, 1418, 1472, 1656, 1696, 1908, 2127, 2208, 2304, 2438, 2544, 2836, 2944, 3312, 3392, 3657, 3816, 4254, 4416, 4876, 5088, 5672, 5888, 6381, 6624, 6784, 7314, 7632, 8508, 8832, 9752, 10176, 10971, 11344, 12762, 13248, 13568, 14628, 15264, 16307, 17016, 17664, 19504, 20352, 21942, 22688, 25524, 26496, 29256, 30528, 32614, 34032, 37577, 39008, 40704, 43884, 45376, 48921, 51048, 52992, 58512, 61056, 65228, 68064, 75154, 78016, 87768, 90752, 97842, 102096, 112731, 117024, 122112, 130456, 136128, 146763, 150308, 156032, 175536, 181504, 195684, 204192, 225462, 234048, 260912, 272256, 293526, 300616, 312064, 338193, 351072, 391368, 408384, 450924, 468096, 521824, 544512, 587052, 601232, 676386, 702144, 782736, 816768, 864271, 901848, 936192, 1043648, 1174104, 1202464, 1352772, 1404288, 1565472, 1633536, 1728542, 1803696, 2087296, 2348208, 2404928, 2592813, 2705544, 2808576, 3130944, 3457084, 3607392, 4174592, 4696416, 4809856, 5185626, 5411088, 6261888, 6914168, 7214784, 7778439, 9392832, 9619712, 10371252, 10822176, 12523776, 13828336, 14429568, 15556878, 18785664, 20742504, 21644352, 27656672, 28859136, 31113756, 37571328, 41485008, 43288704, 55313344, 62227512, 82970016, 86577408, 110626688, 124455024, 165940032, 221253376, 248910048, 331880064, 497820096, 663760128, 995640192, 1991280384]

約数ペア:

[(1, 1991280384), (2, 995640192), (3, 663760128), (4, 497820096), (6, 331880064), (8, 248910048), (9, 221253376), (12, 165940032), (16, 124455024), (18, 110626688), (23, 86577408), (24, 82970016), (32, 62227512), (36, 55313344), (46, 43288704), (48, 41485008), (53, 37571328), (64, 31113756), (69, 28859136), (72, 27656672), (92, 21644352), (96, 20742504), (106, 18785664), (128, 15556878), (138, 14429568), (144, 13828336), (159, 12523776), (184, 10822176), (192, 10371252), (207, 9619712), (212, 9392832), (256, 7778439), (276, 7214784), (288, 6914168), (318, 6261888), (368, 5411088), (384, 5185626), (414, 4809856), (424, 4696416), (477, 4174592), (552, 3607392), (576, 3457084), (636, 3130944), (709, 2808576), (736, 2705544), (768, 2592813), (828, 2404928), (848, 2348208), (954, 2087296), (1104, 1803696), (1152, 1728542), (1219, 1633536), (1272, 1565472), (1418, 1404288), (1472, 1352772), (1656, 1202464), (1696, 1174104), (1908, 1043648), (2127, 936192), (2208, 901848), (2304, 864271), (2438, 816768), (2544, 782736), (2836, 702144), (2944, 676386), (3312, 601232), (3392, 587052), (3657, 544512), (3816, 521824), (4254, 468096), (4416, 450924), (4876, 408384), (5088, 391368), (5672, 351072), (5888, 338193), (6381, 312064), (6624, 300616), (6784, 293526), (7314, 272256), (7632, 260912), (8508, 234048), (8832, 225462), (9752, 204192), (10176, 195684), (10971, 181504), (11344, 175536), (12762, 156032), (13248, 150308), (13568, 146763), (14628, 136128), (15264, 130456), (16307, 122112), (17016, 117024), (17664, 112731), (19504, 102096), (20352, 97842), (21942, 90752), (22688, 87768), (25524, 78016), (26496, 75154), (29256, 68064), (30528, 65228), (32614, 61056), (34032, 58512), (37577, 52992), (39008, 51048), (40704, 48921), (43884, 45376)]