128458560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{133811}}^1$

素因数の和:133831

約数の個数: 56

約数和(自身を含む): 407858976

約数和(自身を除く): 279400416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 133811, 267622, 401433, 535244, 669055, 802866, 1070488, 1338110, 1605732, 2007165, 2140976, 2676220, 3211464, 4014330, 4281952, 5352440, 6422928, 8028660, 8563904, 10704880, 12845856, 16057320, 21409760, 25691712, 32114640, 42819520, 64229280, 128458560]

約数ペア:

[(1, 128458560), (2, 64229280), (3, 42819520), (4, 32114640), (5, 25691712), (6, 21409760), (8, 16057320), (10, 12845856), (12, 10704880), (15, 8563904), (16, 8028660), (20, 6422928), (24, 5352440), (30, 4281952), (32, 4014330), (40, 3211464), (48, 2676220), (60, 2140976), (64, 2007165), (80, 1605732), (96, 1338110), (120, 1070488), (160, 802866), (192, 669055), (240, 535244), (320, 401433), (480, 267622), (960, 133811)]