644655168

素因数分解:

$2^6\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:585

約数の個数: 168

約数和(自身を含む): 1935764480

約数和(自身を除く): 1291109312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 79, 93, 96, 124, 144, 158, 186, 192, 237, 248, 279, 288, 316, 372, 457, 474, 496, 558, 576, 632, 711, 744, 914, 948, 992, 1116, 1264, 1371, 1422, 1488, 1828, 1896, 1984, 2232, 2449, 2528, 2742, 2844, 2976, 3656, 3792, 4113, 4464, 4898, 5056, 5484, 5688, 5952, 7312, 7347, 7584, 8226, 8928, 9796, 10968, 11376, 14167, 14624, 14694, 15168, 16452, 17856, 19592, 21936, 22041, 22752, 28334, 29248, 29388, 32904, 36103, 39184, 42501, 43872, 44082, 45504, 56668, 58776, 65808, 72206, 78368, 85002, 87744, 88164, 108309, 113336, 117552, 127503, 131616, 144412, 156736, 170004, 176328, 216618, 226672, 235104, 255006, 263232, 288824, 324927, 340008, 352656, 433236, 453344, 470208, 510012, 577648, 649854, 680016, 705312, 866472, 906688, 1020024, 1119193, 1155296, 1299708, 1360032, 1410624, 1732944, 2040048, 2238386, 2310592, 2599416, 2720064, 3357579, 3465888, 4080096, 4476772, 5198832, 6715158, 6931776, 8160192, 8953544, 10072737, 10397664, 13430316, 17907088, 20145474, 20795328, 26860632, 35814176, 40290948, 53721264, 71628352, 80581896, 107442528, 161163792, 214885056, 322327584, 644655168]

約数ペア:

[(1, 644655168), (2, 322327584), (3, 214885056), (4, 161163792), (6, 107442528), (8, 80581896), (9, 71628352), (12, 53721264), (16, 40290948), (18, 35814176), (24, 26860632), (31, 20795328), (32, 20145474), (36, 17907088), (48, 13430316), (62, 10397664), (64, 10072737), (72, 8953544), (79, 8160192), (93, 6931776), (96, 6715158), (124, 5198832), (144, 4476772), (158, 4080096), (186, 3465888), (192, 3357579), (237, 2720064), (248, 2599416), (279, 2310592), (288, 2238386), (316, 2040048), (372, 1732944), (457, 1410624), (474, 1360032), (496, 1299708), (558, 1155296), (576, 1119193), (632, 1020024), (711, 906688), (744, 866472), (914, 705312), (948, 680016), (992, 649854), (1116, 577648), (1264, 510012), (1371, 470208), (1422, 453344), (1488, 433236), (1828, 352656), (1896, 340008), (1984, 324927), (2232, 288824), (2449, 263232), (2528, 255006), (2742, 235104), (2844, 226672), (2976, 216618), (3656, 176328), (3792, 170004), (4113, 156736), (4464, 144412), (4898, 131616), (5056, 127503), (5484, 117552), (5688, 113336), (5952, 108309), (7312, 88164), (7347, 87744), (7584, 85002), (8226, 78368), (8928, 72206), (9796, 65808), (10968, 58776), (11376, 56668), (14167, 45504), (14624, 44082), (14694, 43872), (15168, 42501), (16452, 39184), (17856, 36103), (19592, 32904), (21936, 29388), (22041, 29248), (22752, 28334)]