153642880

素因数分解:

$2^7\times 5^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 368815680

約数和(自身を除く): 215172800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 431, 557, 640, 862, 1114, 1724, 2155, 2228, 2785, 3448, 4310, 4456, 5570, 6896, 8620, 8912, 11140, 13792, 17240, 17824, 22280, 27584, 34480, 35648, 44560, 55168, 68960, 71296, 89120, 137920, 178240, 240067, 275840, 356480, 480134, 960268, 1200335, 1920536, 2400670, 3841072, 4801340, 7682144, 9602680, 15364288, 19205360, 30728576, 38410720, 76821440, 153642880]

約数ペア:

[(1, 153642880), (2, 76821440), (4, 38410720), (5, 30728576), (8, 19205360), (10, 15364288), (16, 9602680), (20, 7682144), (32, 4801340), (40, 3841072), (64, 2400670), (80, 1920536), (128, 1200335), (160, 960268), (320, 480134), (431, 356480), (557, 275840), (640, 240067), (862, 178240), (1114, 137920), (1724, 89120), (2155, 71296), (2228, 68960), (2785, 55168), (3448, 44560), (4310, 35648), (4456, 34480), (5570, 27584), (6896, 22280), (8620, 17824), (8912, 17240), (11140, 13792)]