268545080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1\times {\mathrm{439}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 622036800

約数和(自身を除く): 353491720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 373, 410, 439, 746, 820, 878, 1492, 1640, 1756, 1865, 2195, 2984, 3512, 3730, 4390, 7460, 8780, 14920, 15293, 17560, 17999, 30586, 35998, 61172, 71996, 76465, 89995, 122344, 143992, 152930, 163747, 179990, 305860, 327494, 359980, 611720, 654988, 719960, 818735, 1309976, 1637470, 3274940, 6549880, 6713627, 13427254, 26854508, 33568135, 53709016, 67136270, 134272540, 268545080]

約数ペア:

[(1, 268545080), (2, 134272540), (4, 67136270), (5, 53709016), (8, 33568135), (10, 26854508), (20, 13427254), (40, 6713627), (41, 6549880), (82, 3274940), (164, 1637470), (205, 1309976), (328, 818735), (373, 719960), (410, 654988), (439, 611720), (746, 359980), (820, 327494), (878, 305860), (1492, 179990), (1640, 163747), (1756, 152930), (1865, 143992), (2195, 122344), (2984, 89995), (3512, 76465), (3730, 71996), (4390, 61172), (7460, 35998), (8780, 30586), (14920, 17999), (15293, 17560)]