638545920

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:598

約数の個数: 208

約数和(自身を含む): 2154560640

約数和(自身を除く): 1516014720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 512, 547, 570, 608, 640, 760, 768, 912, 960, 1024, 1094, 1140, 1216, 1280, 1520, 1536, 1641, 1824, 1920, 2048, 2188, 2280, 2432, 2560, 2735, 3040, 3072, 3282, 3648, 3840, 4096, 4376, 4560, 4864, 5120, 5470, 6080, 6144, 6564, 7296, 7680, 8205, 8752, 9120, 9728, 10240, 10393, 10940, 12160, 12288, 13128, 14592, 15360, 16410, 17504, 18240, 19456, 20480, 20786, 21880, 24320, 26256, 29184, 30720, 31179, 32820, 35008, 36480, 38912, 41572, 43760, 48640, 51965, 52512, 58368, 61440, 62358, 65640, 70016, 72960, 77824, 83144, 87520, 97280, 103930, 105024, 116736, 124716, 131280, 140032, 145920, 155895, 166288, 175040, 194560, 207860, 210048, 233472, 249432, 262560, 280064, 291840, 311790, 332576, 350080, 389120, 415720, 420096, 498864, 525120, 560128, 583680, 623580, 665152, 700160, 831440, 840192, 997728, 1050240, 1120256, 1167360, 1247160, 1330304, 1400320, 1662880, 1680384, 1995456, 2100480, 2240512, 2494320, 2660608, 2800640, 3325760, 3360768, 3990912, 4200960, 4988640, 5321216, 5601280, 6651520, 6721536, 7981824, 8401920, 9977280, 10642432, 11202560, 13303040, 15963648, 16803840, 19954560, 21284864, 26606080, 31927296, 33607680, 39909120, 42569728, 53212160, 63854592, 79818240, 106424320, 127709184, 159636480, 212848640, 319272960, 638545920]

約数ペア:

[(1, 638545920), (2, 319272960), (3, 212848640), (4, 159636480), (5, 127709184), (6, 106424320), (8, 79818240), (10, 63854592), (12, 53212160), (15, 42569728), (16, 39909120), (19, 33607680), (20, 31927296), (24, 26606080), (30, 21284864), (32, 19954560), (38, 16803840), (40, 15963648), (48, 13303040), (57, 11202560), (60, 10642432), (64, 9977280), (76, 8401920), (80, 7981824), (95, 6721536), (96, 6651520), (114, 5601280), (120, 5321216), (128, 4988640), (152, 4200960), (160, 3990912), (190, 3360768), (192, 3325760), (228, 2800640), (240, 2660608), (256, 2494320), (285, 2240512), (304, 2100480), (320, 1995456), (380, 1680384), (384, 1662880), (456, 1400320), (480, 1330304), (512, 1247160), (547, 1167360), (570, 1120256), (608, 1050240), (640, 997728), (760, 840192), (768, 831440), (912, 700160), (960, 665152), (1024, 623580), (1094, 583680), (1140, 560128), (1216, 525120), (1280, 498864), (1520, 420096), (1536, 415720), (1641, 389120), (1824, 350080), (1920, 332576), (2048, 311790), (2188, 291840), (2280, 280064), (2432, 262560), (2560, 249432), (2735, 233472), (3040, 210048), (3072, 207860), (3282, 194560), (3648, 175040), (3840, 166288), (4096, 155895), (4376, 145920), (4560, 140032), (4864, 131280), (5120, 124716), (5470, 116736), (6080, 105024), (6144, 103930), (6564, 97280), (7296, 87520), (7680, 83144), (8205, 77824), (8752, 72960), (9120, 70016), (9728, 65640), (10240, 62358), (10393, 61440), (10940, 58368), (12160, 52512), (12288, 51965), (13128, 48640), (14592, 43760), (15360, 41572), (16410, 38912), (17504, 36480), (18240, 35008), (19456, 32820), (20480, 31179), (20786, 30720), (21880, 29184), (24320, 26256)]