78725360

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 160

約数和(自身を含む): 226176000

約数和(自身を除く): 147450640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 151, 152, 190, 196, 245, 266, 280, 302, 304, 343, 380, 392, 490, 532, 560, 604, 665, 686, 755, 760, 784, 931, 980, 1057, 1064, 1208, 1330, 1372, 1510, 1520, 1715, 1862, 1960, 2114, 2128, 2416, 2660, 2744, 2869, 3020, 3430, 3724, 3920, 4228, 4655, 5285, 5320, 5488, 5738, 6040, 6517, 6860, 7399, 7448, 8456, 9310, 10570, 10640, 11476, 12080, 13034, 13720, 14345, 14798, 14896, 16912, 18620, 20083, 21140, 22952, 26068, 27440, 28690, 29596, 32585, 36995, 37240, 40166, 42280, 45904, 51793, 52136, 57380, 59192, 65170, 73990, 74480, 80332, 84560, 100415, 103586, 104272, 114760, 118384, 130340, 140581, 147980, 160664, 200830, 207172, 229520, 258965, 260680, 281162, 295960, 321328, 401660, 414344, 517930, 521360, 562324, 591920, 702905, 803320, 828688, 984067, 1035860, 1124648, 1405810, 1606640, 1968134, 2071720, 2249296, 2811620, 3936268, 4143440, 4920335, 5623240, 7872536, 9840670, 11246480, 15745072, 19681340, 39362680, 78725360]

約数ペア:

[(1, 78725360), (2, 39362680), (4, 19681340), (5, 15745072), (7, 11246480), (8, 9840670), (10, 7872536), (14, 5623240), (16, 4920335), (19, 4143440), (20, 3936268), (28, 2811620), (35, 2249296), (38, 2071720), (40, 1968134), (49, 1606640), (56, 1405810), (70, 1124648), (76, 1035860), (80, 984067), (95, 828688), (98, 803320), (112, 702905), (133, 591920), (140, 562324), (151, 521360), (152, 517930), (190, 414344), (196, 401660), (245, 321328), (266, 295960), (280, 281162), (302, 260680), (304, 258965), (343, 229520), (380, 207172), (392, 200830), (490, 160664), (532, 147980), (560, 140581), (604, 130340), (665, 118384), (686, 114760), (755, 104272), (760, 103586), (784, 100415), (931, 84560), (980, 80332), (1057, 74480), (1064, 73990), (1208, 65170), (1330, 59192), (1372, 57380), (1510, 52136), (1520, 51793), (1715, 45904), (1862, 42280), (1960, 40166), (2114, 37240), (2128, 36995), (2416, 32585), (2660, 29596), (2744, 28690), (2869, 27440), (3020, 26068), (3430, 22952), (3724, 21140), (3920, 20083), (4228, 18620), (4655, 16912), (5285, 14896), (5320, 14798), (5488, 14345), (5738, 13720), (6040, 13034), (6517, 12080), (6860, 11476), (7399, 10640), (7448, 10570), (8456, 9310)]