489991040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 256

約数和(自身を含む): 1493475840

約数和(自身を除く): 1003484800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 61, 64, 70, 77, 80, 88, 110, 112, 122, 128, 140, 154, 160, 163, 176, 220, 224, 244, 280, 305, 308, 320, 326, 352, 385, 427, 440, 448, 488, 560, 610, 616, 640, 652, 671, 704, 770, 815, 854, 880, 896, 976, 1120, 1141, 1220, 1232, 1304, 1342, 1408, 1540, 1630, 1708, 1760, 1793, 1952, 2135, 2240, 2282, 2440, 2464, 2608, 2684, 3080, 3260, 3355, 3416, 3520, 3586, 3904, 4270, 4480, 4564, 4697, 4880, 4928, 5216, 5368, 5705, 6160, 6520, 6710, 6832, 7040, 7172, 7808, 8540, 8965, 9128, 9394, 9760, 9856, 9943, 10432, 10736, 11410, 12320, 12551, 13040, 13420, 13664, 14344, 17080, 17930, 18256, 18788, 19520, 19886, 20864, 21472, 22820, 23485, 24640, 25102, 26080, 26840, 27328, 28688, 34160, 35860, 36512, 37576, 39040, 39772, 42944, 45640, 46970, 49280, 49715, 50204, 52160, 53680, 54656, 57376, 62755, 68320, 69601, 71720, 73024, 75152, 79544, 85888, 91280, 93940, 99430, 100408, 104320, 107360, 109373, 114752, 125510, 136640, 139202, 143440, 146048, 150304, 159088, 182560, 187880, 198860, 200816, 214720, 218746, 229504, 251020, 273280, 278404, 286880, 300608, 318176, 348005, 365120, 375760, 397720, 401632, 429440, 437492, 502040, 546865, 556808, 573760, 601216, 636352, 696010, 730240, 751520, 765611, 795440, 803264, 874984, 1004080, 1093730, 1113616, 1147520, 1272704, 1392020, 1503040, 1531222, 1590880, 1606528, 1749968, 2008160, 2187460, 2227232, 2784040, 3006080, 3062444, 3181760, 3499936, 3828055, 4016320, 4374920, 4454464, 5568080, 6124888, 6363520, 6999872, 7656110, 8032640, 8749840, 8908928, 11136160, 12249776, 13999744, 15312220, 17499680, 22272320, 24499552, 30624440, 34999360, 44544640, 48999104, 61248880, 69998720, 97998208, 122497760, 244995520, 489991040]

約数ペア:

[(1, 489991040), (2, 244995520), (4, 122497760), (5, 97998208), (7, 69998720), (8, 61248880), (10, 48999104), (11, 44544640), (14, 34999360), (16, 30624440), (20, 24499552), (22, 22272320), (28, 17499680), (32, 15312220), (35, 13999744), (40, 12249776), (44, 11136160), (55, 8908928), (56, 8749840), (61, 8032640), (64, 7656110), (70, 6999872), (77, 6363520), (80, 6124888), (88, 5568080), (110, 4454464), (112, 4374920), (122, 4016320), (128, 3828055), (140, 3499936), (154, 3181760), (160, 3062444), (163, 3006080), (176, 2784040), (220, 2227232), (224, 2187460), (244, 2008160), (280, 1749968), (305, 1606528), (308, 1590880), (320, 1531222), (326, 1503040), (352, 1392020), (385, 1272704), (427, 1147520), (440, 1113616), (448, 1093730), (488, 1004080), (560, 874984), (610, 803264), (616, 795440), (640, 765611), (652, 751520), (671, 730240), (704, 696010), (770, 636352), (815, 601216), (854, 573760), (880, 556808), (896, 546865), (976, 502040), (1120, 437492), (1141, 429440), (1220, 401632), (1232, 397720), (1304, 375760), (1342, 365120), (1408, 348005), (1540, 318176), (1630, 300608), (1708, 286880), (1760, 278404), (1793, 273280), (1952, 251020), (2135, 229504), (2240, 218746), (2282, 214720), (2440, 200816), (2464, 198860), (2608, 187880), (2684, 182560), (3080, 159088), (3260, 150304), (3355, 146048), (3416, 143440), (3520, 139202), (3586, 136640), (3904, 125510), (4270, 114752), (4480, 109373), (4564, 107360), (4697, 104320), (4880, 100408), (4928, 99430), (5216, 93940), (5368, 91280), (5705, 85888), (6160, 79544), (6520, 75152), (6710, 73024), (6832, 71720), (7040, 69601), (7172, 68320), (7808, 62755), (8540, 57376), (8965, 54656), (9128, 53680), (9394, 52160), (9760, 50204), (9856, 49715), (9943, 49280), (10432, 46970), (10736, 45640), (11410, 42944), (12320, 39772), (12551, 39040), (13040, 37576), (13420, 36512), (13664, 35860), (14344, 34160), (17080, 28688), (17930, 27328), (18256, 26840), (18788, 26080), (19520, 25102), (19886, 24640), (20864, 23485), (21472, 22820)]