639189504

素因数分解:

$2^9\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 240

約数和(自身を含む): 1989104832

約数和(自身を除く): 1349915328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 37, 46, 48, 64, 69, 72, 74, 92, 96, 111, 128, 138, 144, 148, 163, 184, 192, 207, 222, 256, 276, 288, 296, 326, 333, 368, 384, 414, 444, 489, 512, 552, 576, 592, 652, 666, 736, 768, 828, 851, 888, 978, 1104, 1152, 1184, 1304, 1332, 1467, 1472, 1536, 1656, 1702, 1776, 1956, 2208, 2304, 2368, 2553, 2608, 2664, 2934, 2944, 3312, 3404, 3552, 3749, 3912, 4416, 4608, 4736, 5106, 5216, 5328, 5868, 5888, 6031, 6624, 6808, 7104, 7498, 7659, 7824, 8832, 9472, 10212, 10432, 10656, 11247, 11736, 11776, 12062, 13248, 13616, 14208, 14996, 15318, 15648, 17664, 18093, 18944, 20424, 20864, 21312, 22494, 23472, 24124, 26496, 27232, 28416, 29992, 30636, 31296, 33741, 35328, 36186, 40848, 41728, 42624, 44988, 46944, 48248, 52992, 54279, 54464, 56832, 59984, 61272, 62592, 67482, 72372, 81696, 83456, 85248, 89976, 93888, 96496, 105984, 108558, 108928, 119968, 122544, 125184, 134964, 138713, 144744, 163392, 170496, 179952, 187776, 192992, 217116, 217856, 239936, 245088, 250368, 269928, 277426, 289488, 326784, 359904, 375552, 385984, 416139, 434232, 435712, 479872, 490176, 539856, 554852, 578976, 653568, 719808, 751104, 771968, 832278, 868464, 959744, 980352, 1079712, 1109704, 1157952, 1248417, 1307136, 1439616, 1543936, 1664556, 1736928, 1919488, 1960704, 2159424, 2219408, 2315904, 2496834, 2879232, 3087872, 3329112, 3473856, 3921408, 4318848, 4438816, 4631808, 4993668, 5758464, 6658224, 6947712, 8637696, 8877632, 9263616, 9987336, 13316448, 13895424, 17275392, 17755264, 19974672, 26632896, 27790848, 35510528, 39949344, 53265792, 71021056, 79898688, 106531584, 159797376, 213063168, 319594752, 639189504]

約数ペア:

[(1, 639189504), (2, 319594752), (3, 213063168), (4, 159797376), (6, 106531584), (8, 79898688), (9, 71021056), (12, 53265792), (16, 39949344), (18, 35510528), (23, 27790848), (24, 26632896), (32, 19974672), (36, 17755264), (37, 17275392), (46, 13895424), (48, 13316448), (64, 9987336), (69, 9263616), (72, 8877632), (74, 8637696), (92, 6947712), (96, 6658224), (111, 5758464), (128, 4993668), (138, 4631808), (144, 4438816), (148, 4318848), (163, 3921408), (184, 3473856), (192, 3329112), (207, 3087872), (222, 2879232), (256, 2496834), (276, 2315904), (288, 2219408), (296, 2159424), (326, 1960704), (333, 1919488), (368, 1736928), (384, 1664556), (414, 1543936), (444, 1439616), (489, 1307136), (512, 1248417), (552, 1157952), (576, 1109704), (592, 1079712), (652, 980352), (666, 959744), (736, 868464), (768, 832278), (828, 771968), (851, 751104), (888, 719808), (978, 653568), (1104, 578976), (1152, 554852), (1184, 539856), (1304, 490176), (1332, 479872), (1467, 435712), (1472, 434232), (1536, 416139), (1656, 385984), (1702, 375552), (1776, 359904), (1956, 326784), (2208, 289488), (2304, 277426), (2368, 269928), (2553, 250368), (2608, 245088), (2664, 239936), (2934, 217856), (2944, 217116), (3312, 192992), (3404, 187776), (3552, 179952), (3749, 170496), (3912, 163392), (4416, 144744), (4608, 138713), (4736, 134964), (5106, 125184), (5216, 122544), (5328, 119968), (5868, 108928), (5888, 108558), (6031, 105984), (6624, 96496), (6808, 93888), (7104, 89976), (7498, 85248), (7659, 83456), (7824, 81696), (8832, 72372), (9472, 67482), (10212, 62592), (10432, 61272), (10656, 59984), (11247, 56832), (11736, 54464), (11776, 54279), (12062, 52992), (13248, 48248), (13616, 46944), (14208, 44988), (14996, 42624), (15318, 41728), (15648, 40848), (17664, 36186), (18093, 35328), (18944, 33741), (20424, 31296), (20864, 30636), (21312, 29992), (22494, 28416), (23472, 27232), (24124, 26496)]