1881234720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{383}}^1$

素因数の和:789

約数の個数: 240

約数和(自身を含む): 6674088960

約数和(自身を除く): 4792854240

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 379, 383, 405, 432, 480, 540, 648, 720, 758, 766, 810, 864, 1080, 1137, 1149, 1296, 1440, 1516, 1532, 1620, 1895, 1915, 2160, 2274, 2298, 2592, 3032, 3064, 3240, 3411, 3447, 3790, 3830, 4320, 4548, 4596, 5685, 5745, 6064, 6128, 6480, 6822, 6894, 7580, 7660, 9096, 9192, 10233, 10341, 11370, 11490, 12128, 12256, 12960, 13644, 13788, 15160, 15320, 17055, 17235, 18192, 18384, 20466, 20682, 22740, 22980, 27288, 27576, 30320, 30640, 30699, 31023, 34110, 34470, 36384, 36768, 40932, 41364, 45480, 45960, 51165, 51705, 54576, 55152, 60640, 61280, 61398, 62046, 68220, 68940, 81864, 82728, 90960, 91920, 102330, 103410, 109152, 110304, 122796, 124092, 136440, 137880, 145157, 153495, 155115, 163728, 165456, 181920, 183840, 204660, 206820, 245592, 248184, 272880, 275760, 290314, 306990, 310230, 327456, 330912, 409320, 413640, 435471, 491184, 496368, 545760, 551520, 580628, 613980, 620460, 725785, 818640, 827280, 870942, 982368, 992736, 1161256, 1227960, 1240920, 1306413, 1451570, 1637280, 1654560, 1741884, 2177355, 2322512, 2455920, 2481840, 2612826, 2903140, 3483768, 3919239, 4354710, 4645024, 4911840, 4963680, 5225652, 5806280, 6532065, 6967536, 7838478, 8709420, 10451304, 11612560, 11757717, 13064130, 13935072, 15676956, 17418840, 19596195, 20902608, 23225120, 23515434, 26128260, 31353912, 34837680, 39192390, 41805216, 47030868, 52256520, 58788585, 62707824, 69675360, 78384780, 94061736, 104513040, 117577170, 125415648, 156769560, 188123472, 209026080, 235154340, 313539120, 376246944, 470308680, 627078240, 940617360, 1881234720]

約数ペア:

[(1, 1881234720), (2, 940617360), (3, 627078240), (4, 470308680), (5, 376246944), (6, 313539120), (8, 235154340), (9, 209026080), (10, 188123472), (12, 156769560), (15, 125415648), (16, 117577170), (18, 104513040), (20, 94061736), (24, 78384780), (27, 69675360), (30, 62707824), (32, 58788585), (36, 52256520), (40, 47030868), (45, 41805216), (48, 39192390), (54, 34837680), (60, 31353912), (72, 26128260), (80, 23515434), (81, 23225120), (90, 20902608), (96, 19596195), (108, 17418840), (120, 15676956), (135, 13935072), (144, 13064130), (160, 11757717), (162, 11612560), (180, 10451304), (216, 8709420), (240, 7838478), (270, 6967536), (288, 6532065), (324, 5806280), (360, 5225652), (379, 4963680), (383, 4911840), (405, 4645024), (432, 4354710), (480, 3919239), (540, 3483768), (648, 2903140), (720, 2612826), (758, 2481840), (766, 2455920), (810, 2322512), (864, 2177355), (1080, 1741884), (1137, 1654560), (1149, 1637280), (1296, 1451570), (1440, 1306413), (1516, 1240920), (1532, 1227960), (1620, 1161256), (1895, 992736), (1915, 982368), (2160, 870942), (2274, 827280), (2298, 818640), (2592, 725785), (3032, 620460), (3064, 613980), (3240, 580628), (3411, 551520), (3447, 545760), (3790, 496368), (3830, 491184), (4320, 435471), (4548, 413640), (4596, 409320), (5685, 330912), (5745, 327456), (6064, 310230), (6128, 306990), (6480, 290314), (6822, 275760), (6894, 272880), (7580, 248184), (7660, 245592), (9096, 206820), (9192, 204660), (10233, 183840), (10341, 181920), (11370, 165456), (11490, 163728), (12128, 155115), (12256, 153495), (12960, 145157), (13644, 137880), (13788, 136440), (15160, 124092), (15320, 122796), (17055, 110304), (17235, 109152), (18192, 103410), (18384, 102330), (20466, 91920), (20682, 90960), (22740, 82728), (22980, 81864), (27288, 68940), (27576, 68220), (30320, 62046), (30640, 61398), (30699, 61280), (31023, 60640), (34110, 55152), (34470, 54576), (36384, 51705), (36768, 51165), (40932, 45960), (41364, 45480)]