68719428

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:160

約数の個数: 108

約数和(自身を含む): 192781680

約数和(自身を除く): 124062252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 61, 76, 81, 108, 114, 122, 162, 171, 183, 228, 243, 244, 324, 342, 366, 486, 513, 549, 684, 732, 972, 1026, 1098, 1159, 1539, 1647, 2052, 2196, 2318, 3078, 3294, 3477, 3721, 4617, 4636, 4941, 6156, 6588, 6954, 7442, 9234, 9882, 10431, 11163, 13908, 14823, 14884, 18468, 19764, 20862, 22326, 29646, 31293, 33489, 41724, 44652, 59292, 62586, 66978, 70699, 93879, 100467, 125172, 133956, 141398, 187758, 200934, 212097, 281637, 282796, 301401, 375516, 401868, 424194, 563274, 602802, 636291, 848388, 904203, 1126548, 1205604, 1272582, 1808406, 1908873, 2545164, 3616812, 3817746, 5726619, 7635492, 11453238, 17179857, 22906476, 34359714, 68719428]

約数ペア:

[(1, 68719428), (2, 34359714), (3, 22906476), (4, 17179857), (6, 11453238), (9, 7635492), (12, 5726619), (18, 3817746), (19, 3616812), (27, 2545164), (36, 1908873), (38, 1808406), (54, 1272582), (57, 1205604), (61, 1126548), (76, 904203), (81, 848388), (108, 636291), (114, 602802), (122, 563274), (162, 424194), (171, 401868), (183, 375516), (228, 301401), (243, 282796), (244, 281637), (324, 212097), (342, 200934), (366, 187758), (486, 141398), (513, 133956), (549, 125172), (684, 100467), (732, 93879), (972, 70699), (1026, 66978), (1098, 62586), (1159, 59292), (1539, 44652), (1647, 41724), (2052, 33489), (2196, 31293), (2318, 29646), (3078, 22326), (3294, 20862), (3477, 19764), (3721, 18468), (4617, 14884), (4636, 14823), (4941, 13908), (6156, 11163), (6588, 10431), (6954, 9882), (7442, 9234)]