71278880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23447}}^1$

素因数の和:23481

約数の個数: 48

約数和(自身を含む): 177266880

約数和(自身を除く): 105988000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 23447, 46894, 93788, 117235, 187576, 234470, 375152, 445493, 468940, 750304, 890986, 937880, 1781972, 1875760, 2227465, 3563944, 3751520, 4454930, 7127888, 8909860, 14255776, 17819720, 35639440, 71278880]

約数ペア:

[(1, 71278880), (2, 35639440), (4, 17819720), (5, 14255776), (8, 8909860), (10, 7127888), (16, 4454930), (19, 3751520), (20, 3563944), (32, 2227465), (38, 1875760), (40, 1781972), (76, 937880), (80, 890986), (95, 750304), (152, 468940), (160, 445493), (190, 375152), (304, 234470), (380, 187576), (608, 117235), (760, 93788), (1520, 46894), (3040, 23447)]