78439680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1$

素因数の和:657

約数の個数: 216

約数和(自身を含む): 296543520

約数和(自身を除く): 218103840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 619, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1056, 1152, 1238, 1280, 1320, 1408, 1440, 1584, 1760, 1857, 1920, 1980, 2112, 2304, 2476, 2640, 2816, 2880, 3095, 3168, 3520, 3714, 3840, 3960, 4224, 4952, 5280, 5571, 5760, 6190, 6336, 6809, 7040, 7428, 7920, 8448, 9285, 9904, 10560, 11142, 11520, 12380, 12672, 13618, 14080, 14856, 15840, 18570, 19808, 20427, 21120, 22284, 24760, 25344, 27236, 27855, 29712, 31680, 34045, 37140, 39616, 40854, 42240, 44568, 49520, 54472, 55710, 59424, 61281, 63360, 68090, 74280, 79232, 81708, 89136, 99040, 102135, 108944, 111420, 118848, 122562, 126720, 136180, 148560, 158464, 163416, 178272, 198080, 204270, 217888, 222840, 237696, 245124, 272360, 297120, 306405, 326832, 356544, 396160, 408540, 435776, 445680, 475392, 490248, 544720, 594240, 612810, 653664, 713088, 792320, 817080, 871552, 891360, 980496, 1089440, 1188480, 1225620, 1307328, 1426176, 1634160, 1743104, 1782720, 1960992, 2178880, 2376960, 2451240, 2614656, 3268320, 3565440, 3921984, 4357760, 4902480, 5229312, 6536640, 7130880, 7843968, 8715520, 9804960, 13073280, 15687936, 19609920, 26146560, 39219840, 78439680]

約数ペア:

[(1, 78439680), (2, 39219840), (3, 26146560), (4, 19609920), (5, 15687936), (6, 13073280), (8, 9804960), (9, 8715520), (10, 7843968), (11, 7130880), (12, 6536640), (15, 5229312), (16, 4902480), (18, 4357760), (20, 3921984), (22, 3565440), (24, 3268320), (30, 2614656), (32, 2451240), (33, 2376960), (36, 2178880), (40, 1960992), (44, 1782720), (45, 1743104), (48, 1634160), (55, 1426176), (60, 1307328), (64, 1225620), (66, 1188480), (72, 1089440), (80, 980496), (88, 891360), (90, 871552), (96, 817080), (99, 792320), (110, 713088), (120, 653664), (128, 612810), (132, 594240), (144, 544720), (160, 490248), (165, 475392), (176, 445680), (180, 435776), (192, 408540), (198, 396160), (220, 356544), (240, 326832), (256, 306405), (264, 297120), (288, 272360), (320, 245124), (330, 237696), (352, 222840), (360, 217888), (384, 204270), (396, 198080), (440, 178272), (480, 163416), (495, 158464), (528, 148560), (576, 136180), (619, 126720), (640, 122562), (660, 118848), (704, 111420), (720, 108944), (768, 102135), (792, 99040), (880, 89136), (960, 81708), (990, 79232), (1056, 74280), (1152, 68090), (1238, 63360), (1280, 61281), (1320, 59424), (1408, 55710), (1440, 54472), (1584, 49520), (1760, 44568), (1857, 42240), (1920, 40854), (1980, 39616), (2112, 37140), (2304, 34045), (2476, 31680), (2640, 29712), (2816, 27855), (2880, 27236), (3095, 25344), (3168, 24760), (3520, 22284), (3714, 21120), (3840, 20427), (3960, 19808), (4224, 18570), (4952, 15840), (5280, 14856), (5571, 14080), (5760, 13618), (6190, 12672), (6336, 12380), (6809, 11520), (7040, 11142), (7428, 10560), (7920, 9904), (8448, 9285)]