28252620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:796

約数の個数: 144

約数和(自身を含む): 98542080

約数和(自身を除く): 70289460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 751, 836, 855, 990, 1045, 1140, 1254, 1502, 1710, 1881, 1980, 2090, 2253, 2508, 3004, 3135, 3420, 3755, 3762, 4180, 4506, 6270, 6759, 7510, 7524, 8261, 9012, 9405, 11265, 12540, 13518, 14269, 15020, 16522, 18810, 22530, 24783, 27036, 28538, 33044, 33795, 37620, 41305, 42807, 45060, 49566, 57076, 67590, 71345, 74349, 82610, 85614, 99132, 123915, 128421, 135180, 142690, 148698, 156959, 165220, 171228, 214035, 247830, 256842, 285380, 297396, 313918, 371745, 428070, 470877, 495660, 513684, 627836, 642105, 743490, 784795, 856140, 941754, 1284210, 1412631, 1486980, 1569590, 1883508, 2354385, 2568420, 2825262, 3139180, 4708770, 5650524, 7063155, 9417540, 14126310, 28252620]

約数ペア:

[(1, 28252620), (2, 14126310), (3, 9417540), (4, 7063155), (5, 5650524), (6, 4708770), (9, 3139180), (10, 2825262), (11, 2568420), (12, 2354385), (15, 1883508), (18, 1569590), (19, 1486980), (20, 1412631), (22, 1284210), (30, 941754), (33, 856140), (36, 784795), (38, 743490), (44, 642105), (45, 627836), (55, 513684), (57, 495660), (60, 470877), (66, 428070), (76, 371745), (90, 313918), (95, 297396), (99, 285380), (110, 256842), (114, 247830), (132, 214035), (165, 171228), (171, 165220), (180, 156959), (190, 148698), (198, 142690), (209, 135180), (220, 128421), (228, 123915), (285, 99132), (330, 85614), (342, 82610), (380, 74349), (396, 71345), (418, 67590), (495, 57076), (570, 49566), (627, 45060), (660, 42807), (684, 41305), (751, 37620), (836, 33795), (855, 33044), (990, 28538), (1045, 27036), (1140, 24783), (1254, 22530), (1502, 18810), (1710, 16522), (1881, 15020), (1980, 14269), (2090, 13518), (2253, 12540), (2508, 11265), (3004, 9405), (3135, 9012), (3420, 8261), (3755, 7524), (3762, 7510), (4180, 6759), (4506, 6270)]