638453760

素因数分解:

$2^{11}\times 3^1\times 5^1\times 7^1\times {\mathrm{2969}}^1$

素因数の和:3006

約数の個数: 192

約数和(自身を含む): 2335132800

約数和(自身を除く): 1696679040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2048, 2240, 2560, 2688, 2969, 3072, 3360, 3584, 3840, 4480, 5120, 5376, 5938, 6144, 6720, 7168, 7680, 8907, 8960, 10240, 10752, 11876, 13440, 14336, 14845, 15360, 17814, 17920, 20783, 21504, 23752, 26880, 29690, 30720, 35628, 35840, 41566, 43008, 44535, 47504, 53760, 59380, 62349, 71256, 71680, 83132, 89070, 95008, 103915, 107520, 118760, 124698, 142512, 166264, 178140, 190016, 207830, 215040, 237520, 249396, 285024, 311745, 332528, 356280, 380032, 415660, 475040, 498792, 570048, 623490, 665056, 712560, 760064, 831320, 950080, 997584, 1140096, 1246980, 1330112, 1425120, 1520128, 1662640, 1900160, 1995168, 2280192, 2493960, 2660224, 2850240, 3040256, 3325280, 3800320, 3990336, 4560384, 4987920, 5320448, 5700480, 6080512, 6650560, 7600640, 7980672, 9120768, 9975840, 10640896, 11400960, 13301120, 15201280, 15961344, 18241536, 19951680, 21281792, 22801920, 26602240, 30402560, 31922688, 39903360, 42563584, 45603840, 53204480, 63845376, 79806720, 91207680, 106408960, 127690752, 159613440, 212817920, 319226880, 638453760]

約数ペア:

[(1, 638453760), (2, 319226880), (3, 212817920), (4, 159613440), (5, 127690752), (6, 106408960), (7, 91207680), (8, 79806720), (10, 63845376), (12, 53204480), (14, 45603840), (15, 42563584), (16, 39903360), (20, 31922688), (21, 30402560), (24, 26602240), (28, 22801920), (30, 21281792), (32, 19951680), (35, 18241536), (40, 15961344), (42, 15201280), (48, 13301120), (56, 11400960), (60, 10640896), (64, 9975840), (70, 9120768), (80, 7980672), (84, 7600640), (96, 6650560), (105, 6080512), (112, 5700480), (120, 5320448), (128, 4987920), (140, 4560384), (160, 3990336), (168, 3800320), (192, 3325280), (210, 3040256), (224, 2850240), (240, 2660224), (256, 2493960), (280, 2280192), (320, 1995168), (336, 1900160), (384, 1662640), (420, 1520128), (448, 1425120), (480, 1330112), (512, 1246980), (560, 1140096), (640, 997584), (672, 950080), (768, 831320), (840, 760064), (896, 712560), (960, 665056), (1024, 623490), (1120, 570048), (1280, 498792), (1344, 475040), (1536, 415660), (1680, 380032), (1792, 356280), (1920, 332528), (2048, 311745), (2240, 285024), (2560, 249396), (2688, 237520), (2969, 215040), (3072, 207830), (3360, 190016), (3584, 178140), (3840, 166264), (4480, 142512), (5120, 124698), (5376, 118760), (5938, 107520), (6144, 103915), (6720, 95008), (7168, 89070), (7680, 83132), (8907, 71680), (8960, 71256), (10240, 62349), (10752, 59380), (11876, 53760), (13440, 47504), (14336, 44535), (14845, 43008), (15360, 41566), (17814, 35840), (17920, 35628), (20783, 30720), (21504, 29690), (23752, 26880)]