47568780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2028

約数の個数: 144

約数和(自身を含む): 173671680

約数和(自身を除く): 126102900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1987, 1995, 2394, 2660, 3420, 3974, 3990, 4788, 5961, 5985, 7948, 7980, 9935, 11922, 11970, 13909, 17883, 19870, 23844, 23940, 27818, 29805, 35766, 37753, 39740, 41727, 55636, 59610, 69545, 71532, 75506, 83454, 89415, 113259, 119220, 125181, 139090, 151012, 166908, 178830, 188765, 208635, 226518, 250362, 264271, 278180, 339777, 357660, 377530, 417270, 453036, 500724, 528542, 566295, 625905, 679554, 755060, 792813, 834540, 1057084, 1132590, 1251810, 1321355, 1359108, 1585626, 1698885, 2265180, 2378439, 2503620, 2642710, 3171252, 3397770, 3964065, 4756878, 5285420, 6795540, 7928130, 9513756, 11892195, 15856260, 23784390, 47568780]

約数ペア:

[(1, 47568780), (2, 23784390), (3, 15856260), (4, 11892195), (5, 9513756), (6, 7928130), (7, 6795540), (9, 5285420), (10, 4756878), (12, 3964065), (14, 3397770), (15, 3171252), (18, 2642710), (19, 2503620), (20, 2378439), (21, 2265180), (28, 1698885), (30, 1585626), (35, 1359108), (36, 1321355), (38, 1251810), (42, 1132590), (45, 1057084), (57, 834540), (60, 792813), (63, 755060), (70, 679554), (76, 625905), (84, 566295), (90, 528542), (95, 500724), (105, 453036), (114, 417270), (126, 377530), (133, 357660), (140, 339777), (171, 278180), (180, 264271), (190, 250362), (210, 226518), (228, 208635), (252, 188765), (266, 178830), (285, 166908), (315, 151012), (342, 139090), (380, 125181), (399, 119220), (420, 113259), (532, 89415), (570, 83454), (630, 75506), (665, 71532), (684, 69545), (798, 59610), (855, 55636), (1140, 41727), (1197, 39740), (1260, 37753), (1330, 35766), (1596, 29805), (1710, 27818), (1987, 23940), (1995, 23844), (2394, 19870), (2660, 17883), (3420, 13909), (3974, 11970), (3990, 11922), (4788, 9935), (5961, 7980), (5985, 7948)]