156960661120

素因数分解:

$2^7\times 5^1\times {\mathrm{997}}^1\times {\mathrm{245989}}^1$

素因数の和:247005

約数の個数: 64

約数和(自身を含む): 375611970600

約数和(自身を除く): 218651309480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 997, 1994, 3988, 4985, 7976, 9970, 15952, 19940, 31904, 39880, 63808, 79760, 127616, 159520, 245989, 319040, 491978, 638080, 983956, 1229945, 1967912, 2459890, 3935824, 4919780, 7871648, 9839560, 15743296, 19679120, 31486592, 39358240, 78716480, 157432960, 245251033, 490502066, 981004132, 1226255165, 1962008264, 2452510330, 3924016528, 4905020660, 7848033056, 9810041320, 15696066112, 19620082640, 31392132224, 39240165280, 78480330560, 156960661120]

約数ペア:

[(1, 156960661120), (2, 78480330560), (4, 39240165280), (5, 31392132224), (8, 19620082640), (10, 15696066112), (16, 9810041320), (20, 7848033056), (32, 4905020660), (40, 3924016528), (64, 2452510330), (80, 1962008264), (128, 1226255165), (160, 981004132), (320, 490502066), (640, 245251033), (997, 157432960), (1994, 78716480), (3988, 39358240), (4985, 31486592), (7976, 19679120), (9970, 15743296), (15952, 9839560), (19940, 7871648), (31904, 4919780), (39880, 3935824), (63808, 2459890), (79760, 1967912), (127616, 1229945), (159520, 983956), (245989, 638080), (319040, 491978)]