320749312

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3109}}^1$

素因数の和:3169

約数の個数: 72

約数和(自身を含む): 711966080

約数和(自身を除く): 391216768

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3109, 3224, 3328, 3968, 6218, 6448, 7936, 12436, 12896, 24872, 25792, 40417, 49744, 51584, 80834, 96379, 99488, 103168, 161668, 192758, 198976, 323336, 385516, 397952, 646672, 771032, 795904, 1252927, 1293344, 1542064, 2505854, 2586688, 3084128, 5011708, 5173376, 6168256, 10023416, 10346752, 12336512, 20046832, 24673024, 40093664, 80187328, 160374656, 320749312]

約数ペア:

[(1, 320749312), (2, 160374656), (4, 80187328), (8, 40093664), (13, 24673024), (16, 20046832), (26, 12336512), (31, 10346752), (32, 10023416), (52, 6168256), (62, 5173376), (64, 5011708), (104, 3084128), (124, 2586688), (128, 2505854), (208, 1542064), (248, 1293344), (256, 1252927), (403, 795904), (416, 771032), (496, 646672), (806, 397952), (832, 385516), (992, 323336), (1612, 198976), (1664, 192758), (1984, 161668), (3109, 103168), (3224, 99488), (3328, 96379), (3968, 80834), (6218, 51584), (6448, 49744), (7936, 40417), (12436, 25792), (12896, 24872)]