68019840

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{241}}^1$

素因数の和:280

約数の個数: 288

約数和(自身を含む): 274362660

約数和(自身を除く): 206342820

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 241, 245, 252, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 482, 490, 504, 560, 576, 588, 630, 640, 672, 720, 723, 735, 784, 840, 882, 896, 960, 964, 980, 1008, 1120, 1152, 1176, 1205, 1260, 1344, 1440, 1446, 1470, 1568, 1680, 1687, 1764, 1920, 1928, 1960, 2016, 2169, 2205, 2240, 2352, 2410, 2520, 2688, 2880, 2892, 2940, 3136, 3360, 3374, 3528, 3615, 3856, 3920, 4032, 4338, 4410, 4480, 4704, 4820, 5040, 5061, 5760, 5784, 5880, 6272, 6720, 6748, 7056, 7230, 7712, 7840, 8064, 8435, 8676, 8820, 9408, 9640, 10080, 10122, 10845, 11568, 11760, 11809, 13440, 13496, 14112, 14460, 15183, 15424, 15680, 16870, 17352, 17640, 18816, 19280, 20160, 20244, 21690, 23136, 23520, 23618, 25305, 26992, 28224, 28920, 30366, 30848, 31360, 33740, 34704, 35280, 35427, 38560, 40320, 40488, 43380, 46272, 47040, 47236, 50610, 53984, 56448, 57840, 59045, 60732, 67480, 69408, 70560, 70854, 75915, 77120, 80976, 86760, 92544, 94080, 94472, 101220, 106281, 107968, 115680, 118090, 121464, 134960, 138816, 141120, 141708, 151830, 154240, 161952, 173520, 177135, 188944, 202440, 212562, 215936, 231360, 236180, 242928, 269920, 277632, 282240, 283416, 303660, 323904, 347040, 354270, 377888, 404880, 425124, 462720, 472360, 485856, 531405, 539840, 566832, 607320, 647808, 694080, 708540, 755776, 809760, 850248, 944720, 971712, 1062810, 1079680, 1133664, 1214640, 1388160, 1417080, 1511552, 1619520, 1700496, 1889440, 1943424, 2125620, 2267328, 2429280, 2834160, 3239040, 3400992, 3778880, 4251240, 4534656, 4858560, 5668320, 6801984, 7557760, 8502480, 9717120, 11336640, 13603968, 17004960, 22673280, 34009920, 68019840]

約数ペア:

[(1, 68019840), (2, 34009920), (3, 22673280), (4, 17004960), (5, 13603968), (6, 11336640), (7, 9717120), (8, 8502480), (9, 7557760), (10, 6801984), (12, 5668320), (14, 4858560), (15, 4534656), (16, 4251240), (18, 3778880), (20, 3400992), (21, 3239040), (24, 2834160), (28, 2429280), (30, 2267328), (32, 2125620), (35, 1943424), (36, 1889440), (40, 1700496), (42, 1619520), (45, 1511552), (48, 1417080), (49, 1388160), (56, 1214640), (60, 1133664), (63, 1079680), (64, 1062810), (70, 971712), (72, 944720), (80, 850248), (84, 809760), (90, 755776), (96, 708540), (98, 694080), (105, 647808), (112, 607320), (120, 566832), (126, 539840), (128, 531405), (140, 485856), (144, 472360), (147, 462720), (160, 425124), (168, 404880), (180, 377888), (192, 354270), (196, 347040), (210, 323904), (224, 303660), (240, 283416), (241, 282240), (245, 277632), (252, 269920), (280, 242928), (288, 236180), (294, 231360), (315, 215936), (320, 212562), (336, 202440), (360, 188944), (384, 177135), (392, 173520), (420, 161952), (441, 154240), (448, 151830), (480, 141708), (482, 141120), (490, 138816), (504, 134960), (560, 121464), (576, 118090), (588, 115680), (630, 107968), (640, 106281), (672, 101220), (720, 94472), (723, 94080), (735, 92544), (784, 86760), (840, 80976), (882, 77120), (896, 75915), (960, 70854), (964, 70560), (980, 69408), (1008, 67480), (1120, 60732), (1152, 59045), (1176, 57840), (1205, 56448), (1260, 53984), (1344, 50610), (1440, 47236), (1446, 47040), (1470, 46272), (1568, 43380), (1680, 40488), (1687, 40320), (1764, 38560), (1920, 35427), (1928, 35280), (1960, 34704), (2016, 33740), (2169, 31360), (2205, 30848), (2240, 30366), (2352, 28920), (2410, 28224), (2520, 26992), (2688, 25305), (2880, 23618), (2892, 23520), (2940, 23136), (3136, 21690), (3360, 20244), (3374, 20160), (3528, 19280), (3615, 18816), (3856, 17640), (3920, 17352), (4032, 16870), (4338, 15680), (4410, 15424), (4480, 15183), (4704, 14460), (4820, 14112), (5040, 13496), (5061, 13440), (5760, 11809), (5784, 11760), (5880, 11568), (6272, 10845), (6720, 10122), (6748, 10080), (7056, 9640), (7230, 9408), (7712, 8820), (7840, 8676), (8064, 8435)]