1971371520

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{3169}}^1$

素因数の和:3207

約数の個数: 240

約数和(自身を含む): 7082515440

約数和(自身を除く): 5111143920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2560, 2592, 2880, 3169, 3240, 3456, 3840, 3888, 4320, 4608, 4860, 5184, 5760, 6338, 6480, 6912, 7680, 7776, 8640, 9507, 9720, 10368, 11520, 12676, 12960, 13824, 15552, 15845, 17280, 19014, 19440, 20736, 23040, 25352, 25920, 28521, 31104, 31690, 34560, 38028, 38880, 41472, 47535, 50704, 51840, 57042, 62208, 63380, 69120, 76056, 77760, 85563, 95070, 101408, 103680, 114084, 124416, 126760, 142605, 152112, 155520, 171126, 190140, 202816, 207360, 228168, 253520, 256689, 285210, 304224, 311040, 342252, 380280, 405632, 427815, 456336, 507040, 513378, 570420, 608448, 622080, 684504, 760560, 770067, 811264, 855630, 912672, 1014080, 1026756, 1140840, 1216896, 1283445, 1369008, 1521120, 1540134, 1622528, 1711260, 1825344, 2028160, 2053512, 2281680, 2433792, 2566890, 2738016, 3042240, 3080268, 3422520, 3650688, 3850335, 4056320, 4107024, 4563360, 4867584, 5133780, 5476032, 6084480, 6160536, 6845040, 7301376, 7700670, 8112640, 8214048, 9126720, 10267560, 10952064, 12168960, 12321072, 13690080, 14602752, 15401340, 16428096, 18253440, 20535120, 21904128, 24337920, 24642144, 27380160, 30802680, 32856192, 36506880, 41070240, 43808256, 49284288, 54760320, 61605360, 65712384, 73013760, 82140480, 98568576, 109520640, 123210720, 131424768, 164280960, 197137152, 219041280, 246421440, 328561920, 394274304, 492842880, 657123840, 985685760, 1971371520]

約数ペア:

[(1, 1971371520), (2, 985685760), (3, 657123840), (4, 492842880), (5, 394274304), (6, 328561920), (8, 246421440), (9, 219041280), (10, 197137152), (12, 164280960), (15, 131424768), (16, 123210720), (18, 109520640), (20, 98568576), (24, 82140480), (27, 73013760), (30, 65712384), (32, 61605360), (36, 54760320), (40, 49284288), (45, 43808256), (48, 41070240), (54, 36506880), (60, 32856192), (64, 30802680), (72, 27380160), (80, 24642144), (81, 24337920), (90, 21904128), (96, 20535120), (108, 18253440), (120, 16428096), (128, 15401340), (135, 14602752), (144, 13690080), (160, 12321072), (162, 12168960), (180, 10952064), (192, 10267560), (216, 9126720), (240, 8214048), (243, 8112640), (256, 7700670), (270, 7301376), (288, 6845040), (320, 6160536), (324, 6084480), (360, 5476032), (384, 5133780), (405, 4867584), (432, 4563360), (480, 4107024), (486, 4056320), (512, 3850335), (540, 3650688), (576, 3422520), (640, 3080268), (648, 3042240), (720, 2738016), (768, 2566890), (810, 2433792), (864, 2281680), (960, 2053512), (972, 2028160), (1080, 1825344), (1152, 1711260), (1215, 1622528), (1280, 1540134), (1296, 1521120), (1440, 1369008), (1536, 1283445), (1620, 1216896), (1728, 1140840), (1920, 1026756), (1944, 1014080), (2160, 912672), (2304, 855630), (2430, 811264), (2560, 770067), (2592, 760560), (2880, 684504), (3169, 622080), (3240, 608448), (3456, 570420), (3840, 513378), (3888, 507040), (4320, 456336), (4608, 427815), (4860, 405632), (5184, 380280), (5760, 342252), (6338, 311040), (6480, 304224), (6912, 285210), (7680, 256689), (7776, 253520), (8640, 228168), (9507, 207360), (9720, 202816), (10368, 190140), (11520, 171126), (12676, 155520), (12960, 152112), (13824, 142605), (15552, 126760), (15845, 124416), (17280, 114084), (19014, 103680), (19440, 101408), (20736, 95070), (23040, 85563), (25352, 77760), (25920, 76056), (28521, 69120), (31104, 63380), (31690, 62208), (34560, 57042), (38028, 51840), (38880, 50704), (41472, 47535)]