15687540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 56448000

約数和(自身を除く): 40760460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 90, 95, 99, 108, 110, 114, 132, 135, 139, 165, 171, 180, 190, 198, 209, 220, 228, 270, 278, 285, 297, 330, 342, 380, 396, 417, 418, 495, 513, 540, 556, 570, 594, 627, 660, 684, 695, 834, 836, 855, 990, 1026, 1045, 1140, 1188, 1251, 1254, 1390, 1485, 1529, 1668, 1710, 1881, 1980, 2052, 2085, 2090, 2502, 2508, 2565, 2641, 2780, 2970, 3058, 3135, 3420, 3753, 3762, 4170, 4180, 4587, 5004, 5130, 5282, 5643, 5940, 6116, 6255, 6270, 7506, 7524, 7645, 7923, 8340, 9174, 9405, 10260, 10564, 11286, 12510, 12540, 13205, 13761, 15012, 15290, 15846, 18348, 18765, 18810, 22572, 22935, 23769, 25020, 26410, 27522, 28215, 29051, 30580, 31692, 37530, 37620, 39615, 41283, 45870, 47538, 52820, 55044, 56430, 58102, 68805, 71307, 75060, 79230, 82566, 87153, 91740, 95076, 112860, 116204, 118845, 137610, 142614, 145255, 158460, 165132, 174306, 206415, 237690, 261459, 275220, 285228, 290510, 348612, 356535, 412830, 435765, 475380, 522918, 581020, 713070, 784377, 825660, 871530, 1045836, 1307295, 1426140, 1568754, 1743060, 2614590, 3137508, 3921885, 5229180, 7843770, 15687540]

約数ペア:

[(1, 15687540), (2, 7843770), (3, 5229180), (4, 3921885), (5, 3137508), (6, 2614590), (9, 1743060), (10, 1568754), (11, 1426140), (12, 1307295), (15, 1045836), (18, 871530), (19, 825660), (20, 784377), (22, 713070), (27, 581020), (30, 522918), (33, 475380), (36, 435765), (38, 412830), (44, 356535), (45, 348612), (54, 290510), (55, 285228), (57, 275220), (60, 261459), (66, 237690), (76, 206415), (90, 174306), (95, 165132), (99, 158460), (108, 145255), (110, 142614), (114, 137610), (132, 118845), (135, 116204), (139, 112860), (165, 95076), (171, 91740), (180, 87153), (190, 82566), (198, 79230), (209, 75060), (220, 71307), (228, 68805), (270, 58102), (278, 56430), (285, 55044), (297, 52820), (330, 47538), (342, 45870), (380, 41283), (396, 39615), (417, 37620), (418, 37530), (495, 31692), (513, 30580), (540, 29051), (556, 28215), (570, 27522), (594, 26410), (627, 25020), (660, 23769), (684, 22935), (695, 22572), (834, 18810), (836, 18765), (855, 18348), (990, 15846), (1026, 15290), (1045, 15012), (1140, 13761), (1188, 13205), (1251, 12540), (1254, 12510), (1390, 11286), (1485, 10564), (1529, 10260), (1668, 9405), (1710, 9174), (1881, 8340), (1980, 7923), (2052, 7645), (2085, 7524), (2090, 7506), (2502, 6270), (2508, 6255), (2565, 6116), (2641, 5940), (2780, 5643), (2970, 5282), (3058, 5130), (3135, 5004), (3420, 4587), (3753, 4180), (3762, 4170)]