156921407920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1\times {\mathrm{2099}}^1$

素因数の和:2555

約数の個数: 160

約数和(自身を含む): 380225664000

約数和(自身を除く): 223304256080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 59, 80, 94, 118, 188, 235, 236, 295, 337, 376, 470, 472, 590, 674, 752, 940, 944, 1180, 1348, 1685, 1880, 2099, 2360, 2696, 2773, 3370, 3760, 4198, 4720, 5392, 5546, 6740, 8396, 10495, 11092, 13480, 13865, 15839, 16792, 19883, 20990, 22184, 26960, 27730, 31678, 33584, 39766, 41980, 44368, 55460, 63356, 79195, 79532, 83960, 98653, 99415, 110920, 123841, 126712, 158390, 159064, 167920, 197306, 198830, 221840, 247682, 253424, 316780, 318128, 394612, 397660, 493265, 495364, 619205, 633560, 707363, 789224, 795320, 934501, 986530, 990728, 1238410, 1267120, 1414726, 1578448, 1590640, 1869002, 1973060, 1981456, 2476820, 2829452, 3536815, 3738004, 3946120, 4672505, 4953640, 5658904, 5820527, 7073630, 7476008, 7892240, 9345010, 9907280, 11317808, 11641054, 14147260, 14952016, 18690020, 23282108, 28294520, 29102635, 33246061, 37380040, 41734417, 46564216, 56589040, 58205270, 66492122, 74760080, 83468834, 93128432, 116410540, 132984244, 166230305, 166937668, 208672085, 232821080, 265968488, 332460610, 333875336, 417344170, 465642160, 531936976, 664921220, 667750672, 834688340, 1329842440, 1669376680, 1961517599, 2659684880, 3338753360, 3923035198, 7846070396, 9807587995, 15692140792, 19615175990, 31384281584, 39230351980, 78460703960, 156921407920]

約数ペア:

[(1, 156921407920), (2, 78460703960), (4, 39230351980), (5, 31384281584), (8, 19615175990), (10, 15692140792), (16, 9807587995), (20, 7846070396), (40, 3923035198), (47, 3338753360), (59, 2659684880), (80, 1961517599), (94, 1669376680), (118, 1329842440), (188, 834688340), (235, 667750672), (236, 664921220), (295, 531936976), (337, 465642160), (376, 417344170), (470, 333875336), (472, 332460610), (590, 265968488), (674, 232821080), (752, 208672085), (940, 166937668), (944, 166230305), (1180, 132984244), (1348, 116410540), (1685, 93128432), (1880, 83468834), (2099, 74760080), (2360, 66492122), (2696, 58205270), (2773, 56589040), (3370, 46564216), (3760, 41734417), (4198, 37380040), (4720, 33246061), (5392, 29102635), (5546, 28294520), (6740, 23282108), (8396, 18690020), (10495, 14952016), (11092, 14147260), (13480, 11641054), (13865, 11317808), (15839, 9907280), (16792, 9345010), (19883, 7892240), (20990, 7476008), (22184, 7073630), (26960, 5820527), (27730, 5658904), (31678, 4953640), (33584, 4672505), (39766, 3946120), (41980, 3738004), (44368, 3536815), (55460, 2829452), (63356, 2476820), (79195, 1981456), (79532, 1973060), (83960, 1869002), (98653, 1590640), (99415, 1578448), (110920, 1414726), (123841, 1267120), (126712, 1238410), (158390, 990728), (159064, 986530), (167920, 934501), (197306, 795320), (198830, 789224), (221840, 707363), (247682, 633560), (253424, 619205), (316780, 495364), (318128, 493265), (394612, 397660)]