311690940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20533}}^1$

素因数の和:20579

約数の個数: 96

約数和(自身を含む): 993517056

約数和(自身を除く): 681826116

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 55, 60, 66, 69, 92, 110, 115, 132, 138, 165, 220, 230, 253, 276, 330, 345, 460, 506, 660, 690, 759, 1012, 1265, 1380, 1518, 2530, 3036, 3795, 5060, 7590, 15180, 20533, 41066, 61599, 82132, 102665, 123198, 205330, 225863, 246396, 307995, 410660, 451726, 472259, 615990, 677589, 903452, 944518, 1129315, 1231980, 1355178, 1416777, 1889036, 2258630, 2361295, 2710356, 2833554, 3387945, 4517260, 4722590, 5194849, 5667108, 6775890, 7083885, 9445180, 10389698, 13551780, 14167770, 15584547, 20779396, 25974245, 28335540, 31169094, 51948490, 62338188, 77922735, 103896980, 155845470, 311690940]

約数ペア:

[(1, 311690940), (2, 155845470), (3, 103896980), (4, 77922735), (5, 62338188), (6, 51948490), (10, 31169094), (11, 28335540), (12, 25974245), (15, 20779396), (20, 15584547), (22, 14167770), (23, 13551780), (30, 10389698), (33, 9445180), (44, 7083885), (46, 6775890), (55, 5667108), (60, 5194849), (66, 4722590), (69, 4517260), (92, 3387945), (110, 2833554), (115, 2710356), (132, 2361295), (138, 2258630), (165, 1889036), (220, 1416777), (230, 1355178), (253, 1231980), (276, 1129315), (330, 944518), (345, 903452), (460, 677589), (506, 615990), (660, 472259), (690, 451726), (759, 410660), (1012, 307995), (1265, 246396), (1380, 225863), (1518, 205330), (2530, 123198), (3036, 102665), (3795, 82132), (5060, 61599), (7590, 41066), (15180, 20533)]