245976080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:637

約数の個数: 120

約数和(自身を含む): 671742720

約数和(自身を除く): 425766640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 131, 140, 196, 245, 262, 280, 392, 479, 490, 524, 560, 655, 784, 917, 958, 980, 1048, 1310, 1834, 1916, 1960, 2096, 2395, 2620, 3353, 3668, 3832, 3920, 4585, 4790, 5240, 6419, 6706, 7336, 7664, 9170, 9580, 10480, 12838, 13412, 14672, 16765, 18340, 19160, 23471, 25676, 26824, 32095, 33530, 36680, 38320, 46942, 51352, 53648, 62749, 64190, 67060, 73360, 93884, 102704, 117355, 125498, 128380, 134120, 187768, 234710, 250996, 256760, 268240, 313745, 375536, 439243, 469420, 501992, 513520, 627490, 878486, 938840, 1003984, 1254980, 1756972, 1877680, 2196215, 2509960, 3074701, 3513944, 4392430, 5019920, 6149402, 7027888, 8784860, 12298804, 15373505, 17569720, 24597608, 30747010, 35139440, 49195216, 61494020, 122988040, 245976080]

約数ペア:

[(1, 245976080), (2, 122988040), (4, 61494020), (5, 49195216), (7, 35139440), (8, 30747010), (10, 24597608), (14, 17569720), (16, 15373505), (20, 12298804), (28, 8784860), (35, 7027888), (40, 6149402), (49, 5019920), (56, 4392430), (70, 3513944), (80, 3074701), (98, 2509960), (112, 2196215), (131, 1877680), (140, 1756972), (196, 1254980), (245, 1003984), (262, 938840), (280, 878486), (392, 627490), (479, 513520), (490, 501992), (524, 469420), (560, 439243), (655, 375536), (784, 313745), (917, 268240), (958, 256760), (980, 250996), (1048, 234710), (1310, 187768), (1834, 134120), (1916, 128380), (1960, 125498), (2096, 117355), (2395, 102704), (2620, 93884), (3353, 73360), (3668, 67060), (3832, 64190), (3920, 62749), (4585, 53648), (4790, 51352), (5240, 46942), (6419, 38320), (6706, 36680), (7336, 33530), (7664, 32095), (9170, 26824), (9580, 25676), (10480, 23471), (12838, 19160), (13412, 18340), (14672, 16765)]