72980440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{479}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 177811200

約数和(自身を除く): 104830760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 293, 479, 520, 586, 958, 1172, 1465, 1916, 2344, 2395, 2930, 3809, 3832, 4790, 5860, 6227, 7618, 9580, 11720, 12454, 15236, 19045, 19160, 24908, 30472, 31135, 38090, 49816, 62270, 76180, 124540, 140347, 152360, 249080, 280694, 561388, 701735, 1122776, 1403470, 1824511, 2806940, 3649022, 5613880, 7298044, 9122555, 14596088, 18245110, 36490220, 72980440]

約数ペア:

[(1, 72980440), (2, 36490220), (4, 18245110), (5, 14596088), (8, 9122555), (10, 7298044), (13, 5613880), (20, 3649022), (26, 2806940), (40, 1824511), (52, 1403470), (65, 1122776), (104, 701735), (130, 561388), (260, 280694), (293, 249080), (479, 152360), (520, 140347), (586, 124540), (958, 76180), (1172, 62270), (1465, 49816), (1916, 38090), (2344, 31135), (2395, 30472), (2930, 24908), (3809, 19160), (3832, 19045), (4790, 15236), (5860, 12454), (6227, 11720), (7618, 9580)]