28067820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 91590912

約数和(自身を除く): 63523092

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 43, 44, 46, 55, 60, 66, 69, 86, 92, 110, 115, 129, 132, 138, 165, 172, 215, 220, 230, 253, 258, 276, 330, 345, 430, 460, 473, 506, 516, 645, 660, 690, 759, 860, 946, 989, 1012, 1265, 1290, 1380, 1419, 1518, 1849, 1892, 1978, 2365, 2530, 2580, 2838, 2967, 3036, 3698, 3795, 3956, 4730, 4945, 5060, 5547, 5676, 5934, 7095, 7396, 7590, 9245, 9460, 9890, 10879, 11094, 11868, 14190, 14835, 15180, 18490, 19780, 20339, 21758, 22188, 27735, 28380, 29670, 32637, 36980, 40678, 42527, 43516, 54395, 55470, 59340, 61017, 65274, 81356, 85054, 101695, 108790, 110940, 122034, 127581, 130548, 163185, 170108, 203390, 212635, 217580, 244068, 255162, 305085, 326370, 406780, 425270, 467797, 510324, 610170, 637905, 652740, 850540, 935594, 1220340, 1275810, 1403391, 1871188, 2338985, 2551620, 2806782, 4677970, 5613564, 7016955, 9355940, 14033910, 28067820]

約数ペア:

[(1, 28067820), (2, 14033910), (3, 9355940), (4, 7016955), (5, 5613564), (6, 4677970), (10, 2806782), (11, 2551620), (12, 2338985), (15, 1871188), (20, 1403391), (22, 1275810), (23, 1220340), (30, 935594), (33, 850540), (43, 652740), (44, 637905), (46, 610170), (55, 510324), (60, 467797), (66, 425270), (69, 406780), (86, 326370), (92, 305085), (110, 255162), (115, 244068), (129, 217580), (132, 212635), (138, 203390), (165, 170108), (172, 163185), (215, 130548), (220, 127581), (230, 122034), (253, 110940), (258, 108790), (276, 101695), (330, 85054), (345, 81356), (430, 65274), (460, 61017), (473, 59340), (506, 55470), (516, 54395), (645, 43516), (660, 42527), (690, 40678), (759, 36980), (860, 32637), (946, 29670), (989, 28380), (1012, 27735), (1265, 22188), (1290, 21758), (1380, 20339), (1419, 19780), (1518, 18490), (1849, 15180), (1892, 14835), (1978, 14190), (2365, 11868), (2530, 11094), (2580, 10879), (2838, 9890), (2967, 9460), (3036, 9245), (3698, 7590), (3795, 7396), (3956, 7095), (4730, 5934), (4945, 5676), (5060, 5547)]