642452928

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:120

約数の個数: 336

約数和(自身を含む): 2081028096

約数和(自身を除く): 1438575168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 23, 24, 26, 31, 32, 38, 39, 46, 48, 52, 57, 62, 64, 69, 76, 78, 92, 93, 96, 104, 114, 124, 138, 152, 156, 184, 186, 192, 208, 228, 247, 248, 276, 299, 304, 312, 361, 368, 372, 403, 416, 437, 456, 494, 496, 552, 589, 598, 608, 624, 713, 722, 736, 741, 744, 806, 832, 874, 897, 912, 988, 992, 1083, 1104, 1178, 1196, 1209, 1216, 1248, 1311, 1426, 1444, 1472, 1482, 1488, 1612, 1748, 1767, 1794, 1824, 1976, 1984, 2139, 2166, 2208, 2356, 2392, 2418, 2496, 2622, 2852, 2888, 2964, 2976, 3224, 3496, 3534, 3588, 3648, 3952, 4278, 4332, 4416, 4693, 4712, 4784, 4836, 5244, 5681, 5704, 5776, 5928, 5952, 6448, 6992, 7068, 7176, 7657, 7904, 8303, 8556, 8664, 9269, 9386, 9424, 9568, 9672, 10488, 11191, 11362, 11408, 11552, 11856, 12896, 13547, 13984, 14079, 14136, 14352, 15314, 15808, 16606, 17043, 17112, 17328, 18538, 18772, 18848, 19136, 19344, 20976, 22382, 22724, 22816, 22971, 23104, 23712, 24909, 25792, 27094, 27807, 27968, 28158, 28272, 28704, 30628, 33212, 33573, 34086, 34224, 34656, 37076, 37544, 37696, 38688, 40641, 41952, 44764, 45448, 45632, 45942, 47424, 49818, 54188, 55614, 56316, 56544, 57408, 61256, 66424, 67146, 68172, 68448, 69312, 74152, 75088, 77376, 81282, 83904, 89528, 90896, 91884, 99636, 107939, 108376, 111228, 112632, 113088, 122512, 132848, 134292, 136344, 136896, 145483, 148304, 150176, 162564, 176111, 179056, 181792, 183768, 199272, 215878, 216752, 222456, 225264, 245024, 257393, 265696, 268584, 272688, 290966, 296608, 300352, 323817, 325128, 352222, 358112, 363584, 367536, 398544, 431756, 433504, 436449, 444912, 450528, 490048, 514786, 528333, 531392, 537168, 545376, 581932, 593216, 647634, 650256, 704444, 716224, 735072, 772179, 797088, 863512, 867008, 872898, 889824, 901056, 1029572, 1056666, 1074336, 1090752, 1163864, 1295268, 1300512, 1408888, 1470144, 1544358, 1594176, 1727024, 1745796, 1779648, 2059144, 2113332, 2148672, 2327728, 2590536, 2601024, 2817776, 3088716, 3346109, 3454048, 3491592, 4118288, 4226664, 4655456, 5181072, 5635552, 6177432, 6692218, 6908096, 6983184, 8236576, 8453328, 9310912, 10038327, 10362144, 11271104, 12354864, 13384436, 13966368, 16473152, 16906656, 20076654, 20724288, 24709728, 26768872, 27932736, 33813312, 40153308, 49419456, 53537744, 80306616, 107075488, 160613232, 214150976, 321226464, 642452928]

約数ペア:

[(1, 642452928), (2, 321226464), (3, 214150976), (4, 160613232), (6, 107075488), (8, 80306616), (12, 53537744), (13, 49419456), (16, 40153308), (19, 33813312), (23, 27932736), (24, 26768872), (26, 24709728), (31, 20724288), (32, 20076654), (38, 16906656), (39, 16473152), (46, 13966368), (48, 13384436), (52, 12354864), (57, 11271104), (62, 10362144), (64, 10038327), (69, 9310912), (76, 8453328), (78, 8236576), (92, 6983184), (93, 6908096), (96, 6692218), (104, 6177432), (114, 5635552), (124, 5181072), (138, 4655456), (152, 4226664), (156, 4118288), (184, 3491592), (186, 3454048), (192, 3346109), (208, 3088716), (228, 2817776), (247, 2601024), (248, 2590536), (276, 2327728), (299, 2148672), (304, 2113332), (312, 2059144), (361, 1779648), (368, 1745796), (372, 1727024), (403, 1594176), (416, 1544358), (437, 1470144), (456, 1408888), (494, 1300512), (496, 1295268), (552, 1163864), (589, 1090752), (598, 1074336), (608, 1056666), (624, 1029572), (713, 901056), (722, 889824), (736, 872898), (741, 867008), (744, 863512), (806, 797088), (832, 772179), (874, 735072), (897, 716224), (912, 704444), (988, 650256), (992, 647634), (1083, 593216), (1104, 581932), (1178, 545376), (1196, 537168), (1209, 531392), (1216, 528333), (1248, 514786), (1311, 490048), (1426, 450528), (1444, 444912), (1472, 436449), (1482, 433504), (1488, 431756), (1612, 398544), (1748, 367536), (1767, 363584), (1794, 358112), (1824, 352222), (1976, 325128), (1984, 323817), (2139, 300352), (2166, 296608), (2208, 290966), (2356, 272688), (2392, 268584), (2418, 265696), (2496, 257393), (2622, 245024), (2852, 225264), (2888, 222456), (2964, 216752), (2976, 215878), (3224, 199272), (3496, 183768), (3534, 181792), (3588, 179056), (3648, 176111), (3952, 162564), (4278, 150176), (4332, 148304), (4416, 145483), (4693, 136896), (4712, 136344), (4784, 134292), (4836, 132848), (5244, 122512), (5681, 113088), (5704, 112632), (5776, 111228), (5928, 108376), (5952, 107939), (6448, 99636), (6992, 91884), (7068, 90896), (7176, 89528), (7657, 83904), (7904, 81282), (8303, 77376), (8556, 75088), (8664, 74152), (9269, 69312), (9386, 68448), (9424, 68172), (9568, 67146), (9672, 66424), (10488, 61256), (11191, 57408), (11362, 56544), (11408, 56316), (11552, 55614), (11856, 54188), (12896, 49818), (13547, 47424), (13984, 45942), (14079, 45632), (14136, 45448), (14352, 44764), (15314, 41952), (15808, 40641), (16606, 38688), (17043, 37696), (17112, 37544), (17328, 37076), (18538, 34656), (18772, 34224), (18848, 34086), (19136, 33573), (19344, 33212), (20976, 30628), (22382, 28704), (22724, 28272), (22816, 28158), (22971, 27968), (23104, 27807), (23712, 27094), (24909, 25792)]