638943591168

素因数分解:

$2^8\times 3^2\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{13451}}^1$

素因数の和:13915

約数の個数: 216

約数和(自身を含む): 1881956054160

約数和(自身を除く): 1243012462992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 64, 72, 96, 106, 128, 144, 159, 192, 212, 256, 288, 318, 384, 389, 424, 477, 576, 636, 768, 778, 848, 954, 1152, 1167, 1272, 1556, 1696, 1908, 2304, 2334, 2544, 3112, 3392, 3501, 3816, 4668, 5088, 6224, 6784, 7002, 7632, 9336, 10176, 12448, 13451, 13568, 14004, 15264, 18672, 20352, 20617, 24896, 26902, 28008, 30528, 37344, 40353, 40704, 41234, 49792, 53804, 56016, 61056, 61851, 74688, 80706, 82468, 99584, 107608, 112032, 121059, 122112, 123702, 149376, 161412, 164936, 185553, 215216, 224064, 242118, 247404, 298752, 322824, 329872, 371106, 430432, 448128, 484236, 494808, 645648, 659744, 712903, 742212, 860864, 896256, 968472, 989616, 1291296, 1319488, 1425806, 1484424, 1721728, 1936944, 1979232, 2138709, 2582592, 2638976, 2851612, 2968848, 3443456, 3873888, 3958464, 4277418, 5165184, 5232439, 5277952, 5703224, 5937696, 6416127, 7747776, 7916928, 8554836, 10330368, 10464878, 11406448, 11875392, 12832254, 15495552, 15697317, 15833856, 17109672, 20929756, 22812896, 23750784, 25664508, 30991104, 31394634, 34219344, 41859512, 45625792, 47091951, 47501568, 51329016, 62789268, 68438688, 83719024, 91251584, 94183902, 102658032, 125578536, 136877376, 167438048, 182503168, 188367804, 205316064, 251157072, 273754752, 277319267, 334876096, 376735608, 410632128, 502314144, 547509504, 554638534, 669752192, 753471216, 821264256, 831957801, 1004628288, 1109277068, 1339504384, 1506942432, 1642528512, 1663915602, 2009256576, 2218554136, 2495873403, 3013884864, 3327831204, 4018513152, 4437108272, 4991746806, 6027769728, 6655662408, 8874216544, 9983493612, 12055539456, 13311324816, 17748433088, 19966987224, 26622649632, 35496866176, 39933974448, 53245299264, 70993732352, 79867948896, 106490598528, 159735897792, 212981197056, 319471795584, 638943591168]

約数ペア:

[(1, 638943591168), (2, 319471795584), (3, 212981197056), (4, 159735897792), (6, 106490598528), (8, 79867948896), (9, 70993732352), (12, 53245299264), (16, 39933974448), (18, 35496866176), (24, 26622649632), (32, 19966987224), (36, 17748433088), (48, 13311324816), (53, 12055539456), (64, 9983493612), (72, 8874216544), (96, 6655662408), (106, 6027769728), (128, 4991746806), (144, 4437108272), (159, 4018513152), (192, 3327831204), (212, 3013884864), (256, 2495873403), (288, 2218554136), (318, 2009256576), (384, 1663915602), (389, 1642528512), (424, 1506942432), (477, 1339504384), (576, 1109277068), (636, 1004628288), (768, 831957801), (778, 821264256), (848, 753471216), (954, 669752192), (1152, 554638534), (1167, 547509504), (1272, 502314144), (1556, 410632128), (1696, 376735608), (1908, 334876096), (2304, 277319267), (2334, 273754752), (2544, 251157072), (3112, 205316064), (3392, 188367804), (3501, 182503168), (3816, 167438048), (4668, 136877376), (5088, 125578536), (6224, 102658032), (6784, 94183902), (7002, 91251584), (7632, 83719024), (9336, 68438688), (10176, 62789268), (12448, 51329016), (13451, 47501568), (13568, 47091951), (14004, 45625792), (15264, 41859512), (18672, 34219344), (20352, 31394634), (20617, 30991104), (24896, 25664508), (26902, 23750784), (28008, 22812896), (30528, 20929756), (37344, 17109672), (40353, 15833856), (40704, 15697317), (41234, 15495552), (49792, 12832254), (53804, 11875392), (56016, 11406448), (61056, 10464878), (61851, 10330368), (74688, 8554836), (80706, 7916928), (82468, 7747776), (99584, 6416127), (107608, 5937696), (112032, 5703224), (121059, 5277952), (122112, 5232439), (123702, 5165184), (149376, 4277418), (161412, 3958464), (164936, 3873888), (185553, 3443456), (215216, 2968848), (224064, 2851612), (242118, 2638976), (247404, 2582592), (298752, 2138709), (322824, 1979232), (329872, 1936944), (371106, 1721728), (430432, 1484424), (448128, 1425806), (484236, 1319488), (494808, 1291296), (645648, 989616), (659744, 968472), (712903, 896256), (742212, 860864)]