1640537856

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:379

約数の個数: 216

約数和(自身を含む): 4952170496

約数和(自身を除く): 3311632640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 103, 124, 128, 144, 186, 192, 206, 223, 248, 256, 279, 288, 309, 372, 384, 412, 446, 496, 558, 576, 618, 669, 744, 768, 824, 892, 927, 992, 1116, 1152, 1236, 1338, 1488, 1648, 1784, 1854, 1984, 2007, 2232, 2304, 2472, 2676, 2976, 3193, 3296, 3568, 3708, 3968, 4014, 4464, 4944, 5352, 5952, 6386, 6592, 6913, 7136, 7416, 7936, 8028, 8928, 9579, 9888, 10704, 11904, 12772, 13184, 13826, 14272, 14832, 16056, 17856, 19158, 19776, 20739, 21408, 22969, 23808, 25544, 26368, 27652, 28544, 28737, 29664, 32112, 35712, 38316, 39552, 41478, 42816, 45938, 51088, 55304, 57088, 57474, 59328, 62217, 64224, 68907, 71424, 76632, 79104, 82956, 85632, 91876, 102176, 110608, 114948, 118656, 124434, 128448, 137814, 153264, 165912, 171264, 183752, 204352, 206721, 221216, 229896, 237312, 248868, 256896, 275628, 306528, 331824, 367504, 408704, 413442, 442432, 459792, 497736, 513792, 551256, 613056, 663648, 712039, 735008, 817408, 826884, 884864, 919584, 995472, 1102512, 1226112, 1327296, 1424078, 1470016, 1653768, 1769728, 1839168, 1990944, 2136117, 2205024, 2452224, 2654592, 2848156, 2940032, 3307536, 3678336, 3981888, 4272234, 4410048, 5309184, 5696312, 5880064, 6408351, 6615072, 7356672, 7963776, 8544468, 8820096, 11392624, 12816702, 13230144, 15927552, 17088936, 17640192, 22785248, 25633404, 26460288, 34177872, 45570496, 51266808, 52920576, 68355744, 91140992, 102533616, 136711488, 182281984, 205067232, 273422976, 410134464, 546845952, 820268928, 1640537856]

約数ペア:

[(1, 1640537856), (2, 820268928), (3, 546845952), (4, 410134464), (6, 273422976), (8, 205067232), (9, 182281984), (12, 136711488), (16, 102533616), (18, 91140992), (24, 68355744), (31, 52920576), (32, 51266808), (36, 45570496), (48, 34177872), (62, 26460288), (64, 25633404), (72, 22785248), (93, 17640192), (96, 17088936), (103, 15927552), (124, 13230144), (128, 12816702), (144, 11392624), (186, 8820096), (192, 8544468), (206, 7963776), (223, 7356672), (248, 6615072), (256, 6408351), (279, 5880064), (288, 5696312), (309, 5309184), (372, 4410048), (384, 4272234), (412, 3981888), (446, 3678336), (496, 3307536), (558, 2940032), (576, 2848156), (618, 2654592), (669, 2452224), (744, 2205024), (768, 2136117), (824, 1990944), (892, 1839168), (927, 1769728), (992, 1653768), (1116, 1470016), (1152, 1424078), (1236, 1327296), (1338, 1226112), (1488, 1102512), (1648, 995472), (1784, 919584), (1854, 884864), (1984, 826884), (2007, 817408), (2232, 735008), (2304, 712039), (2472, 663648), (2676, 613056), (2976, 551256), (3193, 513792), (3296, 497736), (3568, 459792), (3708, 442432), (3968, 413442), (4014, 408704), (4464, 367504), (4944, 331824), (5352, 306528), (5952, 275628), (6386, 256896), (6592, 248868), (6913, 237312), (7136, 229896), (7416, 221216), (7936, 206721), (8028, 204352), (8928, 183752), (9579, 171264), (9888, 165912), (10704, 153264), (11904, 137814), (12772, 128448), (13184, 124434), (13826, 118656), (14272, 114948), (14832, 110608), (16056, 102176), (17856, 91876), (19158, 85632), (19776, 82956), (20739, 79104), (21408, 76632), (22969, 71424), (23808, 68907), (25544, 64224), (26368, 62217), (27652, 59328), (28544, 57474), (28737, 57088), (29664, 55304), (32112, 51088), (35712, 45938), (38316, 42816), (39552, 41478)]