72412780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{743}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 166489344

約数和(自身を除く): 94076564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 443, 743, 886, 1486, 1772, 2215, 2972, 3715, 4430, 4873, 7430, 8173, 8860, 9746, 14860, 16346, 19492, 24365, 32692, 40865, 48730, 81730, 97460, 163460, 329149, 658298, 1316596, 1645745, 3291490, 3620639, 6582980, 7241278, 14482556, 18103195, 36206390, 72412780]

約数ペア:

[(1, 72412780), (2, 36206390), (4, 18103195), (5, 14482556), (10, 7241278), (11, 6582980), (20, 3620639), (22, 3291490), (44, 1645745), (55, 1316596), (110, 658298), (220, 329149), (443, 163460), (743, 97460), (886, 81730), (1486, 48730), (1772, 40865), (2215, 32692), (2972, 24365), (3715, 19492), (4430, 16346), (4873, 14860), (7430, 9746), (8173, 8860)]