1031680

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:67

約数の個数: 80

約数和(自身を含む): 2749824

約数和(自身を除く): 1718144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 2560, 3224, 3328, 3968, 4030, 4160, 4960, 6448, 6656, 7936, 8060, 8320, 9920, 12896, 15872, 16120, 16640, 19840, 25792, 32240, 33280, 39680, 51584, 64480, 79360, 103168, 128960, 206336, 257920, 515840, 1031680]

約数ペア:

[(1, 1031680), (2, 515840), (4, 257920), (5, 206336), (8, 128960), (10, 103168), (13, 79360), (16, 64480), (20, 51584), (26, 39680), (31, 33280), (32, 32240), (40, 25792), (52, 19840), (62, 16640), (64, 16120), (65, 15872), (80, 12896), (104, 9920), (124, 8320), (128, 8060), (130, 7936), (155, 6656), (160, 6448), (208, 4960), (248, 4160), (256, 4030), (260, 3968), (310, 3328), (320, 3224), (403, 2560), (416, 2480), (496, 2080), (512, 2015), (520, 1984), (620, 1664), (640, 1612), (806, 1280), (832, 1240), (992, 1040)]