71615720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 186157440

約数和(自身を除く): 114541720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 53, 55, 74, 83, 88, 106, 110, 148, 166, 185, 212, 220, 265, 296, 332, 370, 407, 415, 424, 440, 530, 583, 664, 740, 814, 830, 913, 1060, 1166, 1480, 1628, 1660, 1826, 1961, 2035, 2120, 2332, 2915, 3071, 3256, 3320, 3652, 3922, 4070, 4399, 4565, 4664, 5830, 6142, 7304, 7844, 8140, 8798, 9130, 9805, 11660, 12284, 15355, 15688, 16280, 17596, 18260, 19610, 21571, 21995, 23320, 24568, 30710, 33781, 35192, 36520, 39220, 43142, 43990, 48389, 61420, 67562, 78440, 86284, 87980, 96778, 107855, 122840, 135124, 162763, 168905, 172568, 175960, 193556, 215710, 241945, 270248, 325526, 337810, 387112, 431420, 483890, 651052, 675620, 813815, 862840, 967780, 1302104, 1351240, 1627630, 1790393, 1935560, 3255260, 3580786, 6510520, 7161572, 8951965, 14323144, 17903930, 35807860, 71615720]

約数ペア:

[(1, 71615720), (2, 35807860), (4, 17903930), (5, 14323144), (8, 8951965), (10, 7161572), (11, 6510520), (20, 3580786), (22, 3255260), (37, 1935560), (40, 1790393), (44, 1627630), (53, 1351240), (55, 1302104), (74, 967780), (83, 862840), (88, 813815), (106, 675620), (110, 651052), (148, 483890), (166, 431420), (185, 387112), (212, 337810), (220, 325526), (265, 270248), (296, 241945), (332, 215710), (370, 193556), (407, 175960), (415, 172568), (424, 168905), (440, 162763), (530, 135124), (583, 122840), (664, 107855), (740, 96778), (814, 87980), (830, 86284), (913, 78440), (1060, 67562), (1166, 61420), (1480, 48389), (1628, 43990), (1660, 43142), (1826, 39220), (1961, 36520), (2035, 35192), (2120, 33781), (2332, 30710), (2915, 24568), (3071, 23320), (3256, 21995), (3320, 21571), (3652, 19610), (3922, 18260), (4070, 17596), (4399, 16280), (4565, 15688), (4664, 15355), (5830, 12284), (6142, 11660), (7304, 9805), (7844, 9130), (8140, 8798)]