257977200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:776

約数の個数: 240

約数和(自身を含む): 929940480

約数和(自身を除く): 671963280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 25, 26, 30, 39, 40, 46, 48, 50, 52, 60, 65, 69, 75, 78, 80, 92, 100, 104, 115, 120, 130, 138, 150, 156, 184, 195, 200, 208, 230, 240, 260, 276, 299, 300, 312, 325, 345, 368, 390, 400, 460, 520, 552, 575, 598, 600, 624, 650, 690, 719, 780, 897, 920, 975, 1040, 1104, 1150, 1196, 1200, 1300, 1380, 1438, 1495, 1560, 1725, 1794, 1840, 1950, 2157, 2300, 2392, 2600, 2760, 2876, 2990, 3120, 3450, 3588, 3595, 3900, 4314, 4485, 4600, 4784, 5200, 5520, 5752, 5980, 6900, 7176, 7190, 7475, 7800, 8628, 8970, 9200, 9347, 10785, 11504, 11960, 13800, 14352, 14380, 14950, 15600, 16537, 17256, 17940, 17975, 18694, 21570, 22425, 23920, 27600, 28041, 28760, 29900, 33074, 34512, 35880, 35950, 37388, 43140, 44850, 46735, 49611, 53925, 56082, 57520, 59800, 66148, 71760, 71900, 74776, 82685, 86280, 89700, 93470, 99222, 107850, 112164, 119600, 132296, 140205, 143800, 149552, 165370, 172560, 179400, 186940, 198444, 214981, 215700, 224328, 233675, 248055, 264592, 280410, 287600, 330740, 358800, 373880, 396888, 413425, 429962, 431400, 448656, 467350, 496110, 560820, 644943, 661480, 701025, 747760, 793776, 826850, 859924, 862800, 934700, 992220, 1074905, 1121640, 1240275, 1289886, 1322960, 1402050, 1653700, 1719848, 1869400, 1984440, 2149810, 2243280, 2480550, 2579772, 2804100, 3224715, 3307400, 3439696, 3738800, 3968880, 4299620, 4961100, 5159544, 5374525, 5608200, 6449430, 6614800, 8599240, 9922200, 10319088, 10749050, 11216400, 12898860, 16123575, 17198480, 19844400, 21498100, 25797720, 32247150, 42996200, 51595440, 64494300, 85992400, 128988600, 257977200]

約数ペア:

[(1, 257977200), (2, 128988600), (3, 85992400), (4, 64494300), (5, 51595440), (6, 42996200), (8, 32247150), (10, 25797720), (12, 21498100), (13, 19844400), (15, 17198480), (16, 16123575), (20, 12898860), (23, 11216400), (24, 10749050), (25, 10319088), (26, 9922200), (30, 8599240), (39, 6614800), (40, 6449430), (46, 5608200), (48, 5374525), (50, 5159544), (52, 4961100), (60, 4299620), (65, 3968880), (69, 3738800), (75, 3439696), (78, 3307400), (80, 3224715), (92, 2804100), (100, 2579772), (104, 2480550), (115, 2243280), (120, 2149810), (130, 1984440), (138, 1869400), (150, 1719848), (156, 1653700), (184, 1402050), (195, 1322960), (200, 1289886), (208, 1240275), (230, 1121640), (240, 1074905), (260, 992220), (276, 934700), (299, 862800), (300, 859924), (312, 826850), (325, 793776), (345, 747760), (368, 701025), (390, 661480), (400, 644943), (460, 560820), (520, 496110), (552, 467350), (575, 448656), (598, 431400), (600, 429962), (624, 413425), (650, 396888), (690, 373880), (719, 358800), (780, 330740), (897, 287600), (920, 280410), (975, 264592), (1040, 248055), (1104, 233675), (1150, 224328), (1196, 215700), (1200, 214981), (1300, 198444), (1380, 186940), (1438, 179400), (1495, 172560), (1560, 165370), (1725, 149552), (1794, 143800), (1840, 140205), (1950, 132296), (2157, 119600), (2300, 112164), (2392, 107850), (2600, 99222), (2760, 93470), (2876, 89700), (2990, 86280), (3120, 82685), (3450, 74776), (3588, 71900), (3595, 71760), (3900, 66148), (4314, 59800), (4485, 57520), (4600, 56082), (4784, 53925), (5200, 49611), (5520, 46735), (5752, 44850), (5980, 43140), (6900, 37388), (7176, 35950), (7190, 35880), (7475, 34512), (7800, 33074), (8628, 29900), (8970, 28760), (9200, 28041), (9347, 27600), (10785, 23920), (11504, 22425), (11960, 21570), (13800, 18694), (14352, 17975), (14380, 17940), (14950, 17256), (15600, 16537)]