2658560

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 6671616

約数和(自身を除く): 4013056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 67, 80, 124, 128, 134, 155, 160, 248, 256, 268, 310, 320, 335, 496, 536, 620, 640, 670, 992, 1072, 1240, 1280, 1340, 1984, 2077, 2144, 2480, 2680, 3968, 4154, 4288, 4960, 5360, 7936, 8308, 8576, 9920, 10385, 10720, 16616, 17152, 19840, 20770, 21440, 33232, 39680, 41540, 42880, 66464, 83080, 85760, 132928, 166160, 265856, 332320, 531712, 664640, 1329280, 2658560]

約数ペア:

[(1, 2658560), (2, 1329280), (4, 664640), (5, 531712), (8, 332320), (10, 265856), (16, 166160), (20, 132928), (31, 85760), (32, 83080), (40, 66464), (62, 42880), (64, 41540), (67, 39680), (80, 33232), (124, 21440), (128, 20770), (134, 19840), (155, 17152), (160, 16616), (248, 10720), (256, 10385), (268, 9920), (310, 8576), (320, 8308), (335, 7936), (496, 5360), (536, 4960), (620, 4288), (640, 4154), (670, 3968), (992, 2680), (1072, 2480), (1240, 2144), (1280, 2077), (1340, 1984)]