55503540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 176432256

約数和(自身を除く): 120928716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 71, 86, 90, 101, 129, 142, 172, 180, 202, 213, 215, 258, 284, 303, 355, 387, 404, 426, 430, 505, 516, 606, 639, 645, 710, 774, 852, 860, 909, 1010, 1065, 1212, 1278, 1290, 1420, 1515, 1548, 1818, 1935, 2020, 2130, 2556, 2580, 3030, 3053, 3195, 3636, 3870, 4260, 4343, 4545, 6060, 6106, 6390, 7171, 7740, 8686, 9090, 9159, 12212, 12780, 13029, 14342, 15265, 17372, 18180, 18318, 21513, 21715, 26058, 27477, 28684, 30530, 35855, 36636, 39087, 43026, 43430, 45795, 52116, 54954, 61060, 64539, 65145, 71710, 78174, 86052, 86860, 91590, 107565, 109908, 129078, 130290, 137385, 143420, 156348, 183180, 195435, 215130, 258156, 260580, 274770, 308353, 322695, 390870, 430260, 549540, 616706, 645390, 781740, 925059, 1233412, 1290780, 1541765, 1850118, 2775177, 3083530, 3700236, 4625295, 5550354, 6167060, 9250590, 11100708, 13875885, 18501180, 27751770, 55503540]

約数ペア:

[(1, 55503540), (2, 27751770), (3, 18501180), (4, 13875885), (5, 11100708), (6, 9250590), (9, 6167060), (10, 5550354), (12, 4625295), (15, 3700236), (18, 3083530), (20, 2775177), (30, 1850118), (36, 1541765), (43, 1290780), (45, 1233412), (60, 925059), (71, 781740), (86, 645390), (90, 616706), (101, 549540), (129, 430260), (142, 390870), (172, 322695), (180, 308353), (202, 274770), (213, 260580), (215, 258156), (258, 215130), (284, 195435), (303, 183180), (355, 156348), (387, 143420), (404, 137385), (426, 130290), (430, 129078), (505, 109908), (516, 107565), (606, 91590), (639, 86860), (645, 86052), (710, 78174), (774, 71710), (852, 65145), (860, 64539), (909, 61060), (1010, 54954), (1065, 52116), (1212, 45795), (1278, 43430), (1290, 43026), (1420, 39087), (1515, 36636), (1548, 35855), (1818, 30530), (1935, 28684), (2020, 27477), (2130, 26058), (2556, 21715), (2580, 21513), (3030, 18318), (3053, 18180), (3195, 17372), (3636, 15265), (3870, 14342), (4260, 13029), (4343, 12780), (4545, 12212), (6060, 9159), (6106, 9090), (6390, 8686), (7171, 7740)]