1640291256

素因数分解:

$2^3\times 3^3\times {\mathrm{151}}^1\times {\mathrm{50291}}^1$

素因数の和:50457

約数の個数: 64

約数和(自身を含む): 4586630400

約数和(自身を除く): 2946339144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 151, 216, 302, 453, 604, 906, 1208, 1359, 1812, 2718, 3624, 4077, 5436, 8154, 10872, 16308, 32616, 50291, 100582, 150873, 201164, 301746, 402328, 452619, 603492, 905238, 1206984, 1357857, 1810476, 2715714, 3620952, 5431428, 7593941, 10862856, 15187882, 22781823, 30375764, 45563646, 60751528, 68345469, 91127292, 136690938, 182254584, 205036407, 273381876, 410072814, 546763752, 820145628, 1640291256]

約数ペア:

[(1, 1640291256), (2, 820145628), (3, 546763752), (4, 410072814), (6, 273381876), (8, 205036407), (9, 182254584), (12, 136690938), (18, 91127292), (24, 68345469), (27, 60751528), (36, 45563646), (54, 30375764), (72, 22781823), (108, 15187882), (151, 10862856), (216, 7593941), (302, 5431428), (453, 3620952), (604, 2715714), (906, 1810476), (1208, 1357857), (1359, 1206984), (1812, 905238), (2718, 603492), (3624, 452619), (4077, 402328), (5436, 301746), (8154, 201164), (10872, 150873), (16308, 100582), (32616, 50291)]