1221150720

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 192

約数和(自身を含む): 3950069760

約数和(自身を除く): 2728919040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 313, 320, 381, 384, 480, 508, 512, 626, 635, 640, 762, 768, 939, 960, 1016, 1024, 1252, 1270, 1280, 1524, 1536, 1565, 1878, 1905, 1920, 2032, 2048, 2504, 2540, 2560, 3048, 3072, 3130, 3756, 3810, 3840, 4064, 4695, 5008, 5080, 5120, 6096, 6144, 6260, 7512, 7620, 7680, 8128, 9390, 10016, 10160, 10240, 12192, 12520, 15024, 15240, 15360, 16256, 18780, 20032, 20320, 24384, 25040, 30048, 30480, 30720, 32512, 37560, 39751, 40064, 40640, 48768, 50080, 60096, 60960, 65024, 75120, 79502, 80128, 81280, 97536, 100160, 119253, 120192, 121920, 130048, 150240, 159004, 160256, 162560, 195072, 198755, 200320, 238506, 240384, 243840, 260096, 300480, 318008, 320512, 325120, 390144, 397510, 400640, 477012, 480768, 487680, 596265, 600960, 636016, 641024, 650240, 780288, 795020, 801280, 954024, 961536, 975360, 1192530, 1201920, 1272032, 1300480, 1590040, 1602560, 1908048, 1923072, 1950720, 2385060, 2403840, 2544064, 3180080, 3205120, 3816096, 3901440, 4770120, 4807680, 5088128, 6360160, 7632192, 9540240, 9615360, 10176256, 12720320, 15264384, 19080480, 20352512, 25440640, 30528768, 38160960, 40705024, 50881280, 61057536, 76321920, 81410048, 101762560, 122115072, 152643840, 203525120, 244230144, 305287680, 407050240, 610575360, 1221150720]

約数ペア:

[(1, 1221150720), (2, 610575360), (3, 407050240), (4, 305287680), (5, 244230144), (6, 203525120), (8, 152643840), (10, 122115072), (12, 101762560), (15, 81410048), (16, 76321920), (20, 61057536), (24, 50881280), (30, 40705024), (32, 38160960), (40, 30528768), (48, 25440640), (60, 20352512), (64, 19080480), (80, 15264384), (96, 12720320), (120, 10176256), (127, 9615360), (128, 9540240), (160, 7632192), (192, 6360160), (240, 5088128), (254, 4807680), (256, 4770120), (313, 3901440), (320, 3816096), (381, 3205120), (384, 3180080), (480, 2544064), (508, 2403840), (512, 2385060), (626, 1950720), (635, 1923072), (640, 1908048), (762, 1602560), (768, 1590040), (939, 1300480), (960, 1272032), (1016, 1201920), (1024, 1192530), (1252, 975360), (1270, 961536), (1280, 954024), (1524, 801280), (1536, 795020), (1565, 780288), (1878, 650240), (1905, 641024), (1920, 636016), (2032, 600960), (2048, 596265), (2504, 487680), (2540, 480768), (2560, 477012), (3048, 400640), (3072, 397510), (3130, 390144), (3756, 325120), (3810, 320512), (3840, 318008), (4064, 300480), (4695, 260096), (5008, 243840), (5080, 240384), (5120, 238506), (6096, 200320), (6144, 198755), (6260, 195072), (7512, 162560), (7620, 160256), (7680, 159004), (8128, 150240), (9390, 130048), (10016, 121920), (10160, 120192), (10240, 119253), (12192, 100160), (12520, 97536), (15024, 81280), (15240, 80128), (15360, 79502), (16256, 75120), (18780, 65024), (20032, 60960), (20320, 60096), (24384, 50080), (25040, 48768), (30048, 40640), (30480, 40064), (30720, 39751), (32512, 37560)]