64601964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{953}}^1$

素因数の和:1239

約数の個数: 72

約数和(自身を含む): 187518240

約数和(自身を除く): 122916276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 269, 538, 807, 953, 1076, 1614, 1883, 1906, 2421, 2859, 3228, 3766, 3812, 4842, 5649, 5718, 6671, 7532, 8577, 9684, 11298, 11436, 13342, 16947, 17154, 20013, 22596, 26684, 33894, 34308, 40026, 60039, 67788, 80052, 120078, 240156, 256357, 512714, 769071, 1025428, 1538142, 1794499, 2307213, 3076284, 3588998, 4614426, 5383497, 7177996, 9228852, 10766994, 16150491, 21533988, 32300982, 64601964]

約数ペア:

[(1, 64601964), (2, 32300982), (3, 21533988), (4, 16150491), (6, 10766994), (7, 9228852), (9, 7177996), (12, 5383497), (14, 4614426), (18, 3588998), (21, 3076284), (28, 2307213), (36, 1794499), (42, 1538142), (63, 1025428), (84, 769071), (126, 512714), (252, 256357), (269, 240156), (538, 120078), (807, 80052), (953, 67788), (1076, 60039), (1614, 40026), (1883, 34308), (1906, 33894), (2421, 26684), (2859, 22596), (3228, 20013), (3766, 17154), (3812, 16947), (4842, 13342), (5649, 11436), (5718, 11298), (6671, 9684), (7532, 8577)]