201007980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{977}}^1$

素因数の和:1125

約数の個数: 120

約数和(自身を含む): 636185088

約数和(自身を除く): 435177108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 127, 135, 162, 180, 254, 270, 324, 381, 405, 508, 540, 635, 762, 810, 977, 1143, 1270, 1524, 1620, 1905, 1954, 2286, 2540, 2931, 3429, 3810, 3908, 4572, 4885, 5715, 5862, 6858, 7620, 8793, 9770, 10287, 11430, 11724, 13716, 14655, 17145, 17586, 19540, 20574, 22860, 26379, 29310, 34290, 35172, 41148, 43965, 51435, 52758, 58620, 68580, 79137, 87930, 102870, 105516, 124079, 131895, 158274, 175860, 205740, 248158, 263790, 316548, 372237, 395685, 496316, 527580, 620395, 744474, 791370, 1116711, 1240790, 1488948, 1582740, 1861185, 2233422, 2481580, 3350133, 3722370, 4466844, 5583555, 6700266, 7444740, 10050399, 11167110, 13400532, 16750665, 20100798, 22334220, 33501330, 40201596, 50251995, 67002660, 100503990, 201007980]

約数ペア:

[(1, 201007980), (2, 100503990), (3, 67002660), (4, 50251995), (5, 40201596), (6, 33501330), (9, 22334220), (10, 20100798), (12, 16750665), (15, 13400532), (18, 11167110), (20, 10050399), (27, 7444740), (30, 6700266), (36, 5583555), (45, 4466844), (54, 3722370), (60, 3350133), (81, 2481580), (90, 2233422), (108, 1861185), (127, 1582740), (135, 1488948), (162, 1240790), (180, 1116711), (254, 791370), (270, 744474), (324, 620395), (381, 527580), (405, 496316), (508, 395685), (540, 372237), (635, 316548), (762, 263790), (810, 248158), (977, 205740), (1143, 175860), (1270, 158274), (1524, 131895), (1620, 124079), (1905, 105516), (1954, 102870), (2286, 87930), (2540, 79137), (2931, 68580), (3429, 58620), (3810, 52758), (3908, 51435), (4572, 43965), (4885, 41148), (5715, 35172), (5862, 34290), (6858, 29310), (7620, 26379), (8793, 22860), (9770, 20574), (10287, 19540), (11430, 17586), (11724, 17145), (13716, 14655)]