1786474240

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 288

約数和(自身を含む): 4966920000

約数和(自身を除く): 3180445760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 29, 32, 34, 38, 40, 58, 64, 68, 76, 80, 85, 95, 116, 128, 136, 145, 149, 152, 160, 170, 190, 232, 256, 272, 290, 298, 304, 320, 323, 340, 380, 464, 493, 544, 551, 580, 596, 608, 640, 646, 680, 745, 760, 928, 986, 1088, 1102, 1160, 1192, 1216, 1280, 1292, 1360, 1490, 1520, 1615, 1856, 1972, 2176, 2204, 2320, 2384, 2432, 2465, 2533, 2584, 2720, 2755, 2831, 2980, 3040, 3230, 3712, 3944, 4321, 4352, 4408, 4640, 4768, 4864, 4930, 5066, 5168, 5440, 5510, 5662, 5960, 6080, 6460, 7424, 7888, 8642, 8816, 9280, 9367, 9536, 9860, 10132, 10336, 10880, 11020, 11324, 11920, 12160, 12665, 12920, 14155, 15776, 17284, 17632, 18560, 18734, 19072, 19720, 20264, 20672, 21605, 21760, 22040, 22648, 23840, 24320, 25330, 25840, 28310, 31552, 34568, 35264, 37120, 37468, 38144, 39440, 40528, 41344, 43210, 44080, 45296, 46835, 47680, 48127, 50660, 51680, 56620, 63104, 69136, 70528, 73457, 74936, 78880, 81056, 82099, 82688, 86420, 88160, 90592, 93670, 95360, 96254, 101320, 103360, 113240, 126208, 138272, 141056, 146914, 149872, 157760, 162112, 164198, 172840, 176320, 181184, 187340, 190720, 192508, 202640, 206720, 226480, 240635, 276544, 293828, 299744, 315520, 324224, 328396, 345680, 352640, 362368, 367285, 374680, 385016, 405280, 410495, 413440, 452960, 481270, 553088, 587656, 599488, 631040, 648448, 656792, 691360, 705280, 724736, 734570, 749360, 770032, 810560, 820990, 905920, 962540, 1106176, 1175312, 1198976, 1313584, 1382720, 1395683, 1469140, 1498720, 1540064, 1621120, 1641980, 1811840, 1925080, 2350624, 2397952, 2627168, 2765440, 2791366, 2938280, 2997440, 3080128, 3242240, 3283960, 3623680, 3850160, 4701248, 5254336, 5530880, 5582732, 5876560, 5994880, 6160256, 6567920, 6978415, 7700320, 9402496, 10508672, 11165464, 11753120, 11989760, 12320512, 13135840, 13956830, 15400640, 18804992, 21017344, 22330928, 23506240, 26271680, 27913660, 30801280, 44661856, 47012480, 52543360, 55827320, 61602560, 89323712, 94024960, 105086720, 111654640, 178647424, 223309280, 357294848, 446618560, 893237120, 1786474240]

約数ペア:

[(1, 1786474240), (2, 893237120), (4, 446618560), (5, 357294848), (8, 223309280), (10, 178647424), (16, 111654640), (17, 105086720), (19, 94024960), (20, 89323712), (29, 61602560), (32, 55827320), (34, 52543360), (38, 47012480), (40, 44661856), (58, 30801280), (64, 27913660), (68, 26271680), (76, 23506240), (80, 22330928), (85, 21017344), (95, 18804992), (116, 15400640), (128, 13956830), (136, 13135840), (145, 12320512), (149, 11989760), (152, 11753120), (160, 11165464), (170, 10508672), (190, 9402496), (232, 7700320), (256, 6978415), (272, 6567920), (290, 6160256), (298, 5994880), (304, 5876560), (320, 5582732), (323, 5530880), (340, 5254336), (380, 4701248), (464, 3850160), (493, 3623680), (544, 3283960), (551, 3242240), (580, 3080128), (596, 2997440), (608, 2938280), (640, 2791366), (646, 2765440), (680, 2627168), (745, 2397952), (760, 2350624), (928, 1925080), (986, 1811840), (1088, 1641980), (1102, 1621120), (1160, 1540064), (1192, 1498720), (1216, 1469140), (1280, 1395683), (1292, 1382720), (1360, 1313584), (1490, 1198976), (1520, 1175312), (1615, 1106176), (1856, 962540), (1972, 905920), (2176, 820990), (2204, 810560), (2320, 770032), (2384, 749360), (2432, 734570), (2465, 724736), (2533, 705280), (2584, 691360), (2720, 656792), (2755, 648448), (2831, 631040), (2980, 599488), (3040, 587656), (3230, 553088), (3712, 481270), (3944, 452960), (4321, 413440), (4352, 410495), (4408, 405280), (4640, 385016), (4768, 374680), (4864, 367285), (4930, 362368), (5066, 352640), (5168, 345680), (5440, 328396), (5510, 324224), (5662, 315520), (5960, 299744), (6080, 293828), (6460, 276544), (7424, 240635), (7888, 226480), (8642, 206720), (8816, 202640), (9280, 192508), (9367, 190720), (9536, 187340), (9860, 181184), (10132, 176320), (10336, 172840), (10880, 164198), (11020, 162112), (11324, 157760), (11920, 149872), (12160, 146914), (12665, 141056), (12920, 138272), (14155, 126208), (15776, 113240), (17284, 103360), (17632, 101320), (18560, 96254), (18734, 95360), (19072, 93670), (19720, 90592), (20264, 88160), (20672, 86420), (21605, 82688), (21760, 82099), (22040, 81056), (22648, 78880), (23840, 74936), (24320, 73457), (25330, 70528), (25840, 69136), (28310, 63104), (31552, 56620), (34568, 51680), (35264, 50660), (37120, 48127), (37468, 47680), (38144, 46835), (39440, 45296), (40528, 44080), (41344, 43210)]