261903360

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 264

約数和(自身を含む): 904937760

約数和(自身を除く): 643034400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 59, 60, 64, 68, 80, 85, 96, 102, 118, 120, 128, 136, 160, 170, 177, 192, 204, 236, 240, 255, 256, 272, 289, 295, 320, 340, 354, 384, 408, 472, 480, 510, 512, 544, 578, 590, 640, 680, 708, 768, 816, 867, 885, 944, 960, 1003, 1020, 1024, 1088, 1156, 1180, 1280, 1360, 1416, 1445, 1536, 1632, 1734, 1770, 1888, 1920, 2006, 2040, 2176, 2312, 2360, 2560, 2720, 2832, 2890, 3009, 3072, 3264, 3468, 3540, 3776, 3840, 4012, 4080, 4335, 4352, 4624, 4720, 5015, 5120, 5440, 5664, 5780, 6018, 6528, 6936, 7080, 7552, 7680, 8024, 8160, 8670, 8704, 9248, 9440, 10030, 10880, 11328, 11560, 12036, 13056, 13872, 14160, 15045, 15104, 15360, 16048, 16320, 17051, 17340, 17408, 18496, 18880, 20060, 21760, 22656, 23120, 24072, 26112, 27744, 28320, 30090, 30208, 32096, 32640, 34102, 34680, 36992, 37760, 40120, 43520, 45312, 46240, 48144, 51153, 52224, 55488, 56640, 60180, 60416, 64192, 65280, 68204, 69360, 73984, 75520, 80240, 85255, 87040, 90624, 92480, 96288, 102306, 110976, 113280, 120360, 128384, 130560, 136408, 138720, 147968, 151040, 160480, 170510, 181248, 184960, 192576, 204612, 221952, 226560, 240720, 255765, 256768, 261120, 272816, 277440, 295936, 302080, 320960, 341020, 369920, 385152, 409224, 443904, 453120, 481440, 511530, 513536, 545632, 554880, 641920, 682040, 739840, 770304, 818448, 887808, 906240, 962880, 1023060, 1027072, 1091264, 1109760, 1283840, 1364080, 1479680, 1540608, 1636896, 1925760, 2046120, 2182528, 2219520, 2567680, 2728160, 3081216, 3273792, 3851520, 4092240, 4365056, 4439040, 5135360, 5456320, 6547584, 7703040, 8184480, 8730112, 10912640, 13095168, 15406080, 16368960, 17460224, 21825280, 26190336, 32737920, 43650560, 52380672, 65475840, 87301120, 130951680, 261903360]

約数ペア:

[(1, 261903360), (2, 130951680), (3, 87301120), (4, 65475840), (5, 52380672), (6, 43650560), (8, 32737920), (10, 26190336), (12, 21825280), (15, 17460224), (16, 16368960), (17, 15406080), (20, 13095168), (24, 10912640), (30, 8730112), (32, 8184480), (34, 7703040), (40, 6547584), (48, 5456320), (51, 5135360), (59, 4439040), (60, 4365056), (64, 4092240), (68, 3851520), (80, 3273792), (85, 3081216), (96, 2728160), (102, 2567680), (118, 2219520), (120, 2182528), (128, 2046120), (136, 1925760), (160, 1636896), (170, 1540608), (177, 1479680), (192, 1364080), (204, 1283840), (236, 1109760), (240, 1091264), (255, 1027072), (256, 1023060), (272, 962880), (289, 906240), (295, 887808), (320, 818448), (340, 770304), (354, 739840), (384, 682040), (408, 641920), (472, 554880), (480, 545632), (510, 513536), (512, 511530), (544, 481440), (578, 453120), (590, 443904), (640, 409224), (680, 385152), (708, 369920), (768, 341020), (816, 320960), (867, 302080), (885, 295936), (944, 277440), (960, 272816), (1003, 261120), (1020, 256768), (1024, 255765), (1088, 240720), (1156, 226560), (1180, 221952), (1280, 204612), (1360, 192576), (1416, 184960), (1445, 181248), (1536, 170510), (1632, 160480), (1734, 151040), (1770, 147968), (1888, 138720), (1920, 136408), (2006, 130560), (2040, 128384), (2176, 120360), (2312, 113280), (2360, 110976), (2560, 102306), (2720, 96288), (2832, 92480), (2890, 90624), (3009, 87040), (3072, 85255), (3264, 80240), (3468, 75520), (3540, 73984), (3776, 69360), (3840, 68204), (4012, 65280), (4080, 64192), (4335, 60416), (4352, 60180), (4624, 56640), (4720, 55488), (5015, 52224), (5120, 51153), (5440, 48144), (5664, 46240), (5780, 45312), (6018, 43520), (6528, 40120), (6936, 37760), (7080, 36992), (7552, 34680), (7680, 34102), (8024, 32640), (8160, 32096), (8670, 30208), (8704, 30090), (9248, 28320), (9440, 27744), (10030, 26112), (10880, 24072), (11328, 23120), (11560, 22656), (12036, 21760), (13056, 20060), (13872, 18880), (14160, 18496), (15045, 17408), (15104, 17340), (15360, 17051), (16048, 16320)]