71381640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3181}}^1$

素因数の和:3223

約数の個数: 128

約数和(自身を含む): 247432320

約数和(自身を除く): 176050680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3181, 3740, 4488, 5610, 6362, 7480, 9543, 11220, 12724, 15905, 19086, 22440, 25448, 31810, 34991, 38172, 47715, 54077, 63620, 69982, 76344, 95430, 104973, 108154, 127240, 139964, 162231, 174955, 190860, 209946, 216308, 270385, 279928, 324462, 349910, 381720, 419892, 432616, 524865, 540770, 594847, 648924, 699820, 811155, 839784, 1049730, 1081540, 1189694, 1297848, 1399640, 1622310, 1784541, 2099460, 2163080, 2379388, 2974235, 3244620, 3569082, 4198920, 4758776, 5948470, 6489240, 7138164, 8922705, 11896940, 14276328, 17845410, 23793880, 35690820, 71381640]

約数ペア:

[(1, 71381640), (2, 35690820), (3, 23793880), (4, 17845410), (5, 14276328), (6, 11896940), (8, 8922705), (10, 7138164), (11, 6489240), (12, 5948470), (15, 4758776), (17, 4198920), (20, 3569082), (22, 3244620), (24, 2974235), (30, 2379388), (33, 2163080), (34, 2099460), (40, 1784541), (44, 1622310), (51, 1399640), (55, 1297848), (60, 1189694), (66, 1081540), (68, 1049730), (85, 839784), (88, 811155), (102, 699820), (110, 648924), (120, 594847), (132, 540770), (136, 524865), (165, 432616), (170, 419892), (187, 381720), (204, 349910), (220, 324462), (255, 279928), (264, 270385), (330, 216308), (340, 209946), (374, 190860), (408, 174955), (440, 162231), (510, 139964), (561, 127240), (660, 108154), (680, 104973), (748, 95430), (935, 76344), (1020, 69982), (1122, 63620), (1320, 54077), (1496, 47715), (1870, 38172), (2040, 34991), (2244, 31810), (2805, 25448), (3181, 22440), (3740, 19086), (4488, 15905), (5610, 12724), (6362, 11220), (7480, 9543)]