68243220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1399}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 207916800

約数和(自身を除く): 139673580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1399, 1626, 2439, 2710, 2798, 3252, 4065, 4197, 4878, 5420, 5596, 6995, 8130, 8394, 9756, 12195, 12591, 13990, 16260, 16788, 20985, 24390, 25182, 27980, 41970, 48780, 50364, 62955, 83940, 125910, 251820, 379129, 758258, 1137387, 1516516, 1895645, 2274774, 3412161, 3791290, 4549548, 5686935, 6824322, 7582580, 11373870, 13648644, 17060805, 22747740, 34121610, 68243220]

約数ペア:

[(1, 68243220), (2, 34121610), (3, 22747740), (4, 17060805), (5, 13648644), (6, 11373870), (9, 7582580), (10, 6824322), (12, 5686935), (15, 4549548), (18, 3791290), (20, 3412161), (30, 2274774), (36, 1895645), (45, 1516516), (60, 1137387), (90, 758258), (180, 379129), (271, 251820), (542, 125910), (813, 83940), (1084, 62955), (1355, 50364), (1399, 48780), (1626, 41970), (2439, 27980), (2710, 25182), (2798, 24390), (3252, 20985), (4065, 16788), (4197, 16260), (4878, 13990), (5420, 12591), (5596, 12195), (6995, 9756), (8130, 8394)]