990228480

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:330

約数の個数: 208

約数和(自身を含む): 3227122944

約数和(自身を除く): 2236894464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 227, 240, 256, 284, 320, 355, 384, 426, 454, 480, 512, 568, 640, 681, 710, 768, 852, 908, 960, 1024, 1065, 1135, 1136, 1280, 1362, 1420, 1536, 1704, 1816, 1920, 2048, 2130, 2270, 2272, 2560, 2724, 2840, 3072, 3405, 3408, 3632, 3840, 4096, 4260, 4540, 4544, 5120, 5448, 5680, 6144, 6810, 6816, 7264, 7680, 8520, 9080, 9088, 10240, 10896, 11360, 12288, 13620, 13632, 14528, 15360, 16117, 17040, 18160, 18176, 20480, 21792, 22720, 27240, 27264, 29056, 30720, 32234, 34080, 36320, 36352, 43584, 45440, 48351, 54480, 54528, 58112, 61440, 64468, 68160, 72640, 72704, 80585, 87168, 90880, 96702, 108960, 109056, 116224, 128936, 136320, 145280, 145408, 161170, 174336, 181760, 193404, 217920, 218112, 232448, 241755, 257872, 272640, 290560, 290816, 322340, 348672, 363520, 386808, 435840, 436224, 464896, 483510, 515744, 545280, 581120, 644680, 697344, 727040, 773616, 871680, 872448, 929792, 967020, 1031488, 1090560, 1162240, 1289360, 1394688, 1454080, 1547232, 1743360, 1934040, 2062976, 2181120, 2324480, 2578720, 2789376, 3094464, 3486720, 3868080, 4125952, 4362240, 4648960, 5157440, 6188928, 6973440, 7736160, 8251904, 10314880, 12377856, 13946880, 15472320, 16503808, 20629760, 24755712, 30944640, 33007616, 41259520, 49511424, 61889280, 66015232, 82519040, 99022848, 123778560, 165038080, 198045696, 247557120, 330076160, 495114240, 990228480]

約数ペア:

[(1, 990228480), (2, 495114240), (3, 330076160), (4, 247557120), (5, 198045696), (6, 165038080), (8, 123778560), (10, 99022848), (12, 82519040), (15, 66015232), (16, 61889280), (20, 49511424), (24, 41259520), (30, 33007616), (32, 30944640), (40, 24755712), (48, 20629760), (60, 16503808), (64, 15472320), (71, 13946880), (80, 12377856), (96, 10314880), (120, 8251904), (128, 7736160), (142, 6973440), (160, 6188928), (192, 5157440), (213, 4648960), (227, 4362240), (240, 4125952), (256, 3868080), (284, 3486720), (320, 3094464), (355, 2789376), (384, 2578720), (426, 2324480), (454, 2181120), (480, 2062976), (512, 1934040), (568, 1743360), (640, 1547232), (681, 1454080), (710, 1394688), (768, 1289360), (852, 1162240), (908, 1090560), (960, 1031488), (1024, 967020), (1065, 929792), (1135, 872448), (1136, 871680), (1280, 773616), (1362, 727040), (1420, 697344), (1536, 644680), (1704, 581120), (1816, 545280), (1920, 515744), (2048, 483510), (2130, 464896), (2270, 436224), (2272, 435840), (2560, 386808), (2724, 363520), (2840, 348672), (3072, 322340), (3405, 290816), (3408, 290560), (3632, 272640), (3840, 257872), (4096, 241755), (4260, 232448), (4540, 218112), (4544, 217920), (5120, 193404), (5448, 181760), (5680, 174336), (6144, 161170), (6810, 145408), (6816, 145280), (7264, 136320), (7680, 128936), (8520, 116224), (9080, 109056), (9088, 108960), (10240, 96702), (10896, 90880), (11360, 87168), (12288, 80585), (13620, 72704), (13632, 72640), (14528, 68160), (15360, 64468), (16117, 61440), (17040, 58112), (18160, 54528), (18176, 54480), (20480, 48351), (21792, 45440), (22720, 43584), (27240, 36352), (27264, 36320), (29056, 34080), (30720, 32234)]