80767980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{797}}^1$

素因数の和:1375

約数の個数: 72

約数和(自身を含む): 245739312

約数和(自身を除く): 164971332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 563, 797, 1126, 1594, 1689, 2252, 2391, 2815, 3188, 3378, 3985, 4782, 5067, 5630, 6756, 7173, 7970, 8445, 9564, 10134, 11260, 11955, 14346, 15940, 16890, 20268, 23910, 25335, 28692, 33780, 35865, 47820, 50670, 71730, 101340, 143460, 448711, 897422, 1346133, 1794844, 2243555, 2692266, 4038399, 4487110, 5384532, 6730665, 8076798, 8974220, 13461330, 16153596, 20191995, 26922660, 40383990, 80767980]

約数ペア:

[(1, 80767980), (2, 40383990), (3, 26922660), (4, 20191995), (5, 16153596), (6, 13461330), (9, 8974220), (10, 8076798), (12, 6730665), (15, 5384532), (18, 4487110), (20, 4038399), (30, 2692266), (36, 2243555), (45, 1794844), (60, 1346133), (90, 897422), (180, 448711), (563, 143460), (797, 101340), (1126, 71730), (1594, 50670), (1689, 47820), (2252, 35865), (2391, 33780), (2815, 28692), (3188, 25335), (3378, 23910), (3985, 20268), (4782, 16890), (5067, 15940), (5630, 14346), (6756, 11955), (7173, 11260), (7970, 10134), (8445, 9564)]