129219960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 399974400

約数和(自身を除く): 270754440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 127, 139, 183, 244, 254, 278, 305, 366, 381, 417, 488, 508, 556, 610, 635, 695, 732, 762, 834, 915, 1016, 1112, 1220, 1270, 1390, 1464, 1524, 1668, 1830, 1905, 2085, 2440, 2540, 2780, 3048, 3336, 3660, 3810, 4170, 5080, 5560, 7320, 7620, 7747, 8340, 8479, 15240, 15494, 16680, 16958, 17653, 23241, 25437, 30988, 33916, 35306, 38735, 42395, 46482, 50874, 52959, 61976, 67832, 70612, 77470, 84790, 88265, 92964, 101748, 105918, 116205, 127185, 141224, 154940, 169580, 176530, 185928, 203496, 211836, 232410, 254370, 264795, 309880, 339160, 353060, 423672, 464820, 508740, 529590, 706120, 929640, 1017480, 1059180, 1076833, 2118360, 2153666, 3230499, 4307332, 5384165, 6460998, 8614664, 10768330, 12921996, 16152495, 21536660, 25843992, 32304990, 43073320, 64609980, 129219960]

約数ペア:

[(1, 129219960), (2, 64609980), (3, 43073320), (4, 32304990), (5, 25843992), (6, 21536660), (8, 16152495), (10, 12921996), (12, 10768330), (15, 8614664), (20, 6460998), (24, 5384165), (30, 4307332), (40, 3230499), (60, 2153666), (61, 2118360), (120, 1076833), (122, 1059180), (127, 1017480), (139, 929640), (183, 706120), (244, 529590), (254, 508740), (278, 464820), (305, 423672), (366, 353060), (381, 339160), (417, 309880), (488, 264795), (508, 254370), (556, 232410), (610, 211836), (635, 203496), (695, 185928), (732, 176530), (762, 169580), (834, 154940), (915, 141224), (1016, 127185), (1112, 116205), (1220, 105918), (1270, 101748), (1390, 92964), (1464, 88265), (1524, 84790), (1668, 77470), (1830, 70612), (1905, 67832), (2085, 61976), (2440, 52959), (2540, 50874), (2780, 46482), (3048, 42395), (3336, 38735), (3660, 35306), (3810, 33916), (4170, 30988), (5080, 25437), (5560, 23241), (7320, 17653), (7620, 16958), (7747, 16680), (8340, 15494), (8479, 15240)]