672737560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{80471}}^1$

素因数の和:80512

約数の個数: 64

約数和(自身を含む): 1738195200

約数和(自身を除く): 1065457640

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 80471, 160942, 321884, 402355, 643768, 804710, 885181, 1528949, 1609420, 1770362, 3057898, 3218840, 3540724, 4425905, 6115796, 7081448, 7644745, 8851810, 12231592, 15289490, 16818439, 17703620, 30578980, 33636878, 35407240, 61157960, 67273756, 84092195, 134547512, 168184390, 336368780, 672737560]

約数ペア:

[(1, 672737560), (2, 336368780), (4, 168184390), (5, 134547512), (8, 84092195), (10, 67273756), (11, 61157960), (19, 35407240), (20, 33636878), (22, 30578980), (38, 17703620), (40, 16818439), (44, 15289490), (55, 12231592), (76, 8851810), (88, 7644745), (95, 7081448), (110, 6115796), (152, 4425905), (190, 3540724), (209, 3218840), (220, 3057898), (380, 1770362), (418, 1609420), (440, 1528949), (760, 885181), (836, 804710), (1045, 643768), (1672, 402355), (2090, 321884), (4180, 160942), (8360, 80471)]