77961720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 249661440

約数和(自身を除く): 171699720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 276, 282, 345, 376, 460, 470, 552, 564, 601, 690, 705, 920, 940, 1081, 1128, 1202, 1380, 1410, 1803, 1880, 2162, 2404, 2760, 2820, 3005, 3243, 3606, 4324, 4808, 5405, 5640, 6010, 6486, 7212, 8648, 9015, 10810, 12020, 12972, 13823, 14424, 16215, 18030, 21620, 24040, 25944, 27646, 28247, 32430, 36060, 41469, 43240, 55292, 56494, 64860, 69115, 72120, 82938, 84741, 110584, 112988, 129720, 138230, 141235, 165876, 169482, 207345, 225976, 276460, 282470, 331752, 338964, 414690, 423705, 552920, 564940, 649681, 677928, 829380, 847410, 1129880, 1299362, 1658760, 1694820, 1949043, 2598724, 3248405, 3389640, 3898086, 5197448, 6496810, 7796172, 9745215, 12993620, 15592344, 19490430, 25987240, 38980860, 77961720]

約数ペア:

[(1, 77961720), (2, 38980860), (3, 25987240), (4, 19490430), (5, 15592344), (6, 12993620), (8, 9745215), (10, 7796172), (12, 6496810), (15, 5197448), (20, 3898086), (23, 3389640), (24, 3248405), (30, 2598724), (40, 1949043), (46, 1694820), (47, 1658760), (60, 1299362), (69, 1129880), (92, 847410), (94, 829380), (115, 677928), (120, 649681), (138, 564940), (141, 552920), (184, 423705), (188, 414690), (230, 338964), (235, 331752), (276, 282470), (282, 276460), (345, 225976), (376, 207345), (460, 169482), (470, 165876), (552, 141235), (564, 138230), (601, 129720), (690, 112988), (705, 110584), (920, 84741), (940, 82938), (1081, 72120), (1128, 69115), (1202, 64860), (1380, 56494), (1410, 55292), (1803, 43240), (1880, 41469), (2162, 36060), (2404, 32430), (2760, 28247), (2820, 27646), (3005, 25944), (3243, 24040), (3606, 21620), (4324, 18030), (4808, 16215), (5405, 14424), (5640, 13823), (6010, 12972), (6486, 12020), (7212, 10810), (8648, 9015)]