78675520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 224

約数和(自身を含む): 243449856

約数和(自身を除く): 164774336

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 64, 70, 77, 80, 88, 103, 110, 112, 124, 140, 154, 155, 160, 176, 206, 217, 220, 224, 248, 280, 308, 310, 320, 341, 352, 385, 412, 434, 440, 448, 496, 515, 560, 616, 620, 682, 704, 721, 770, 824, 868, 880, 992, 1030, 1085, 1120, 1133, 1232, 1240, 1364, 1442, 1540, 1648, 1705, 1736, 1760, 1984, 2060, 2170, 2240, 2266, 2387, 2464, 2480, 2728, 2884, 3080, 3193, 3296, 3410, 3472, 3520, 3605, 4120, 4340, 4532, 4774, 4928, 4960, 5456, 5665, 5768, 6160, 6386, 6592, 6820, 6944, 7210, 7931, 8240, 8680, 9064, 9548, 9920, 10912, 11330, 11536, 11935, 12320, 12772, 13640, 13888, 14420, 15862, 15965, 16480, 17360, 18128, 19096, 21824, 22351, 22660, 23072, 23870, 24640, 25544, 27280, 28840, 31724, 31930, 32960, 34720, 35123, 36256, 38192, 39655, 44702, 45320, 46144, 47740, 51088, 54560, 57680, 63448, 63860, 69440, 70246, 72512, 76384, 79310, 89404, 90640, 95480, 102176, 109120, 111755, 115360, 126896, 127720, 140492, 152768, 158620, 175615, 178808, 181280, 190960, 204352, 223510, 230720, 245861, 253792, 255440, 280984, 317240, 351230, 357616, 362560, 381920, 447020, 491722, 507584, 510880, 561968, 634480, 702460, 715232, 763840, 894040, 983444, 1021760, 1123936, 1229305, 1268960, 1404920, 1430464, 1788080, 1966888, 2247872, 2458610, 2537920, 2809840, 3576160, 3933776, 4917220, 5619680, 7152320, 7867552, 9834440, 11239360, 15735104, 19668880, 39337760, 78675520]

約数ペア:

[(1, 78675520), (2, 39337760), (4, 19668880), (5, 15735104), (7, 11239360), (8, 9834440), (10, 7867552), (11, 7152320), (14, 5619680), (16, 4917220), (20, 3933776), (22, 3576160), (28, 2809840), (31, 2537920), (32, 2458610), (35, 2247872), (40, 1966888), (44, 1788080), (55, 1430464), (56, 1404920), (62, 1268960), (64, 1229305), (70, 1123936), (77, 1021760), (80, 983444), (88, 894040), (103, 763840), (110, 715232), (112, 702460), (124, 634480), (140, 561968), (154, 510880), (155, 507584), (160, 491722), (176, 447020), (206, 381920), (217, 362560), (220, 357616), (224, 351230), (248, 317240), (280, 280984), (308, 255440), (310, 253792), (320, 245861), (341, 230720), (352, 223510), (385, 204352), (412, 190960), (434, 181280), (440, 178808), (448, 175615), (496, 158620), (515, 152768), (560, 140492), (616, 127720), (620, 126896), (682, 115360), (704, 111755), (721, 109120), (770, 102176), (824, 95480), (868, 90640), (880, 89404), (992, 79310), (1030, 76384), (1085, 72512), (1120, 70246), (1133, 69440), (1232, 63860), (1240, 63448), (1364, 57680), (1442, 54560), (1540, 51088), (1648, 47740), (1705, 46144), (1736, 45320), (1760, 44702), (1984, 39655), (2060, 38192), (2170, 36256), (2240, 35123), (2266, 34720), (2387, 32960), (2464, 31930), (2480, 31724), (2728, 28840), (2884, 27280), (3080, 25544), (3193, 24640), (3296, 23870), (3410, 23072), (3472, 22660), (3520, 22351), (3605, 21824), (4120, 19096), (4340, 18128), (4532, 17360), (4774, 16480), (4928, 15965), (4960, 15862), (5456, 14420), (5665, 13888), (5768, 13640), (6160, 12772), (6386, 12320), (6592, 11935), (6820, 11536), (6944, 11330), (7210, 10912), (7931, 9920), (8240, 9548), (8680, 9064)]