68487120

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:312

約数の個数: 240

約数和(自身を含む): 257816832

約数和(自身を除く): 189329712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 271, 312, 324, 351, 360, 390, 405, 432, 468, 486, 520, 540, 542, 585, 624, 648, 702, 720, 780, 810, 813, 936, 972, 1040, 1053, 1080, 1084, 1170, 1215, 1296, 1355, 1404, 1560, 1620, 1626, 1755, 1872, 1944, 2106, 2160, 2168, 2340, 2430, 2439, 2710, 2808, 3120, 3159, 3240, 3252, 3510, 3523, 3888, 4065, 4212, 4336, 4680, 4860, 4878, 5265, 5420, 5616, 6318, 6480, 6504, 7020, 7046, 7317, 8130, 8424, 9360, 9720, 9756, 10530, 10569, 10840, 12195, 12636, 13008, 14040, 14092, 14634, 15795, 16260, 16848, 17615, 19440, 19512, 21060, 21138, 21680, 21951, 24390, 25272, 28080, 28184, 29268, 31590, 31707, 32520, 35230, 36585, 39024, 42120, 42276, 43902, 48780, 50544, 52845, 56368, 58536, 63180, 63414, 65040, 65853, 70460, 73170, 84240, 84552, 87804, 95121, 97560, 105690, 109755, 117072, 126360, 126828, 131706, 140920, 146340, 158535, 169104, 175608, 190242, 195120, 211380, 219510, 252720, 253656, 263412, 281840, 285363, 292680, 317070, 329265, 351216, 380484, 422760, 439020, 475605, 507312, 526824, 570726, 585360, 634140, 658530, 760968, 845520, 856089, 878040, 951210, 1053648, 1141452, 1268280, 1317060, 1426815, 1521936, 1712178, 1756080, 1902420, 2282904, 2536560, 2634120, 2853630, 3424356, 3804840, 4280445, 4565808, 5268240, 5707260, 6848712, 7609680, 8560890, 11414520, 13697424, 17121780, 22829040, 34243560, 68487120]

約数ペア:

[(1, 68487120), (2, 34243560), (3, 22829040), (4, 17121780), (5, 13697424), (6, 11414520), (8, 8560890), (9, 7609680), (10, 6848712), (12, 5707260), (13, 5268240), (15, 4565808), (16, 4280445), (18, 3804840), (20, 3424356), (24, 2853630), (26, 2634120), (27, 2536560), (30, 2282904), (36, 1902420), (39, 1756080), (40, 1712178), (45, 1521936), (48, 1426815), (52, 1317060), (54, 1268280), (60, 1141452), (65, 1053648), (72, 951210), (78, 878040), (80, 856089), (81, 845520), (90, 760968), (104, 658530), (108, 634140), (117, 585360), (120, 570726), (130, 526824), (135, 507312), (144, 475605), (156, 439020), (162, 422760), (180, 380484), (195, 351216), (208, 329265), (216, 317070), (234, 292680), (240, 285363), (243, 281840), (260, 263412), (270, 253656), (271, 252720), (312, 219510), (324, 211380), (351, 195120), (360, 190242), (390, 175608), (405, 169104), (432, 158535), (468, 146340), (486, 140920), (520, 131706), (540, 126828), (542, 126360), (585, 117072), (624, 109755), (648, 105690), (702, 97560), (720, 95121), (780, 87804), (810, 84552), (813, 84240), (936, 73170), (972, 70460), (1040, 65853), (1053, 65040), (1080, 63414), (1084, 63180), (1170, 58536), (1215, 56368), (1296, 52845), (1355, 50544), (1404, 48780), (1560, 43902), (1620, 42276), (1626, 42120), (1755, 39024), (1872, 36585), (1944, 35230), (2106, 32520), (2160, 31707), (2168, 31590), (2340, 29268), (2430, 28184), (2439, 28080), (2710, 25272), (2808, 24390), (3120, 21951), (3159, 21680), (3240, 21138), (3252, 21060), (3510, 19512), (3523, 19440), (3888, 17615), (4065, 16848), (4212, 16260), (4336, 15795), (4680, 14634), (4860, 14092), (4878, 14040), (5265, 13008), (5420, 12636), (5616, 12195), (6318, 10840), (6480, 10569), (6504, 10530), (7020, 9756), (7046, 9720), (7317, 9360), (8130, 8424)]