81282708

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 235282320

約数和(自身を除く): 153999612

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 53, 58, 78, 87, 106, 113, 116, 117, 156, 159, 174, 212, 226, 234, 261, 318, 339, 348, 377, 452, 468, 477, 522, 636, 678, 689, 754, 954, 1017, 1044, 1131, 1356, 1378, 1469, 1508, 1537, 1908, 2034, 2067, 2262, 2756, 2938, 3074, 3277, 3393, 4068, 4134, 4407, 4524, 4611, 5876, 5989, 6148, 6201, 6554, 6786, 8268, 8814, 9222, 9831, 11978, 12402, 13108, 13221, 13572, 13833, 17628, 17967, 18444, 19662, 19981, 23956, 24804, 26442, 27666, 29493, 35934, 39324, 39962, 42601, 52884, 53901, 55332, 58986, 59943, 71868, 77857, 79924, 85202, 107802, 117972, 119886, 127803, 155714, 170404, 173681, 179829, 215604, 233571, 239772, 255606, 311428, 347362, 359658, 383409, 467142, 511212, 521043, 694724, 700713, 719316, 766818, 934284, 1042086, 1401426, 1533636, 1563129, 2084172, 2257853, 2802852, 3126258, 4515706, 6252516, 6773559, 9031412, 13547118, 20320677, 27094236, 40641354, 81282708]

約数ペア:

[(1, 81282708), (2, 40641354), (3, 27094236), (4, 20320677), (6, 13547118), (9, 9031412), (12, 6773559), (13, 6252516), (18, 4515706), (26, 3126258), (29, 2802852), (36, 2257853), (39, 2084172), (52, 1563129), (53, 1533636), (58, 1401426), (78, 1042086), (87, 934284), (106, 766818), (113, 719316), (116, 700713), (117, 694724), (156, 521043), (159, 511212), (174, 467142), (212, 383409), (226, 359658), (234, 347362), (261, 311428), (318, 255606), (339, 239772), (348, 233571), (377, 215604), (452, 179829), (468, 173681), (477, 170404), (522, 155714), (636, 127803), (678, 119886), (689, 117972), (754, 107802), (954, 85202), (1017, 79924), (1044, 77857), (1131, 71868), (1356, 59943), (1378, 58986), (1469, 55332), (1508, 53901), (1537, 52884), (1908, 42601), (2034, 39962), (2067, 39324), (2262, 35934), (2756, 29493), (2938, 27666), (3074, 26442), (3277, 24804), (3393, 23956), (4068, 19981), (4134, 19662), (4407, 18444), (4524, 17967), (4611, 17628), (5876, 13833), (5989, 13572), (6148, 13221), (6201, 13108), (6554, 12402), (6786, 11978), (8268, 9831), (8814, 9222)]