87141780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4001}}^1$

素因数の和:4038

約数の個数: 108

約数和(自身を含む): 290617236

約数和(自身を除く): 203475456

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4001, 4356, 5445, 7260, 8002, 10890, 12003, 16004, 20005, 21780, 24006, 36009, 40010, 44011, 48012, 60015, 72018, 80020, 88022, 120030, 132033, 144036, 176044, 180045, 220055, 240060, 264066, 360090, 396099, 440110, 484121, 528132, 660165, 720180, 792198, 880220, 968242, 1320330, 1452363, 1584396, 1936484, 1980495, 2420605, 2640660, 2904726, 3960990, 4357089, 4841210, 5809452, 7261815, 7921980, 8714178, 9682420, 14523630, 17428356, 21785445, 29047260, 43570890, 87141780]

約数ペア:

[(1, 87141780), (2, 43570890), (3, 29047260), (4, 21785445), (5, 17428356), (6, 14523630), (9, 9682420), (10, 8714178), (11, 7921980), (12, 7261815), (15, 5809452), (18, 4841210), (20, 4357089), (22, 3960990), (30, 2904726), (33, 2640660), (36, 2420605), (44, 1980495), (45, 1936484), (55, 1584396), (60, 1452363), (66, 1320330), (90, 968242), (99, 880220), (110, 792198), (121, 720180), (132, 660165), (165, 528132), (180, 484121), (198, 440110), (220, 396099), (242, 360090), (330, 264066), (363, 240060), (396, 220055), (484, 180045), (495, 176044), (605, 144036), (660, 132033), (726, 120030), (990, 88022), (1089, 80020), (1210, 72018), (1452, 60015), (1815, 48012), (1980, 44011), (2178, 40010), (2420, 36009), (3630, 24006), (4001, 21780), (4356, 20005), (5445, 16004), (7260, 12003), (8002, 10890)]