638068480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 288

約数和(自身を含む): 1907297280

約数和(自身を除く): 1269228800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 59, 64, 68, 70, 71, 80, 85, 112, 118, 119, 128, 136, 140, 142, 160, 170, 224, 236, 238, 256, 272, 280, 284, 295, 320, 340, 355, 413, 448, 472, 476, 497, 544, 560, 568, 590, 595, 640, 680, 710, 826, 896, 944, 952, 994, 1003, 1088, 1120, 1136, 1180, 1190, 1207, 1280, 1360, 1420, 1652, 1792, 1888, 1904, 1988, 2006, 2065, 2176, 2240, 2272, 2360, 2380, 2414, 2485, 2720, 2840, 3304, 3776, 3808, 3976, 4012, 4130, 4189, 4352, 4480, 4544, 4720, 4760, 4828, 4970, 5015, 5440, 5680, 6035, 6608, 7021, 7552, 7616, 7952, 8024, 8260, 8378, 8449, 8960, 9088, 9440, 9520, 9656, 9940, 10030, 10880, 11360, 12070, 13216, 14042, 15104, 15232, 15904, 16048, 16520, 16756, 16898, 18176, 18880, 19040, 19312, 19880, 20060, 20945, 21760, 22720, 24140, 26432, 28084, 29323, 30464, 31808, 32096, 33040, 33512, 33796, 35105, 37760, 38080, 38624, 39760, 40120, 41890, 42245, 45440, 48280, 52864, 56168, 58646, 63616, 64192, 66080, 67024, 67592, 70210, 71213, 75520, 76160, 77248, 79520, 80240, 83780, 84490, 90880, 96560, 105728, 112336, 117292, 127232, 128384, 132160, 134048, 135184, 140420, 142426, 146615, 152320, 154496, 159040, 160480, 167560, 168980, 193120, 224672, 234584, 256768, 264320, 268096, 270368, 280840, 284852, 293230, 308992, 318080, 320960, 335120, 337960, 356065, 386240, 449344, 469168, 498491, 528640, 536192, 540736, 561680, 569704, 586460, 636160, 641920, 670240, 675920, 712130, 772480, 898688, 938336, 996982, 1072384, 1081472, 1123360, 1139408, 1172920, 1283840, 1340480, 1351840, 1424260, 1544960, 1797376, 1876672, 1993964, 2162944, 2246720, 2278816, 2345840, 2492455, 2680960, 2703680, 2848520, 3753344, 3987928, 4493440, 4557632, 4691680, 4984910, 5361920, 5407360, 5697040, 7506688, 7975856, 8986880, 9115264, 9383360, 9969820, 10814720, 11394080, 15951712, 18230528, 18766720, 19939640, 22788160, 31903424, 37533440, 39879280, 45576320, 63806848, 79758560, 91152640, 127613696, 159517120, 319034240, 638068480]

約数ペア:

[(1, 638068480), (2, 319034240), (4, 159517120), (5, 127613696), (7, 91152640), (8, 79758560), (10, 63806848), (14, 45576320), (16, 39879280), (17, 37533440), (20, 31903424), (28, 22788160), (32, 19939640), (34, 18766720), (35, 18230528), (40, 15951712), (56, 11394080), (59, 10814720), (64, 9969820), (68, 9383360), (70, 9115264), (71, 8986880), (80, 7975856), (85, 7506688), (112, 5697040), (118, 5407360), (119, 5361920), (128, 4984910), (136, 4691680), (140, 4557632), (142, 4493440), (160, 3987928), (170, 3753344), (224, 2848520), (236, 2703680), (238, 2680960), (256, 2492455), (272, 2345840), (280, 2278816), (284, 2246720), (295, 2162944), (320, 1993964), (340, 1876672), (355, 1797376), (413, 1544960), (448, 1424260), (472, 1351840), (476, 1340480), (497, 1283840), (544, 1172920), (560, 1139408), (568, 1123360), (590, 1081472), (595, 1072384), (640, 996982), (680, 938336), (710, 898688), (826, 772480), (896, 712130), (944, 675920), (952, 670240), (994, 641920), (1003, 636160), (1088, 586460), (1120, 569704), (1136, 561680), (1180, 540736), (1190, 536192), (1207, 528640), (1280, 498491), (1360, 469168), (1420, 449344), (1652, 386240), (1792, 356065), (1888, 337960), (1904, 335120), (1988, 320960), (2006, 318080), (2065, 308992), (2176, 293230), (2240, 284852), (2272, 280840), (2360, 270368), (2380, 268096), (2414, 264320), (2485, 256768), (2720, 234584), (2840, 224672), (3304, 193120), (3776, 168980), (3808, 167560), (3976, 160480), (4012, 159040), (4130, 154496), (4189, 152320), (4352, 146615), (4480, 142426), (4544, 140420), (4720, 135184), (4760, 134048), (4828, 132160), (4970, 128384), (5015, 127232), (5440, 117292), (5680, 112336), (6035, 105728), (6608, 96560), (7021, 90880), (7552, 84490), (7616, 83780), (7952, 80240), (8024, 79520), (8260, 77248), (8378, 76160), (8449, 75520), (8960, 71213), (9088, 70210), (9440, 67592), (9520, 67024), (9656, 66080), (9940, 64192), (10030, 63616), (10880, 58646), (11360, 56168), (12070, 52864), (13216, 48280), (14042, 45440), (15104, 42245), (15232, 41890), (15904, 40120), (16048, 39760), (16520, 38624), (16756, 38080), (16898, 37760), (18176, 35105), (18880, 33796), (19040, 33512), (19312, 33040), (19880, 32096), (20060, 31808), (20945, 30464), (21760, 29323), (22720, 28084), (24140, 26432)]