321125840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30181}}^1$

素因数の和:30220

約数の個数: 80

約数和(自身を含む): 898216320

約数和(自身を除く): 577090480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 30181, 60362, 120724, 150905, 211267, 241448, 301810, 422534, 482896, 573439, 603620, 845068, 1056335, 1146878, 1207240, 1690136, 2112670, 2293756, 2414480, 2867195, 3380272, 4014073, 4225340, 4587512, 5734390, 8028146, 8450680, 9175024, 11468780, 16056292, 16901360, 20070365, 22937560, 32112584, 40140730, 45875120, 64225168, 80281460, 160562920, 321125840]

約数ペア:

[(1, 321125840), (2, 160562920), (4, 80281460), (5, 64225168), (7, 45875120), (8, 40140730), (10, 32112584), (14, 22937560), (16, 20070365), (19, 16901360), (20, 16056292), (28, 11468780), (35, 9175024), (38, 8450680), (40, 8028146), (56, 5734390), (70, 4587512), (76, 4225340), (80, 4014073), (95, 3380272), (112, 2867195), (133, 2414480), (140, 2293756), (152, 2112670), (190, 1690136), (266, 1207240), (280, 1146878), (304, 1056335), (380, 845068), (532, 603620), (560, 573439), (665, 482896), (760, 422534), (1064, 301810), (1330, 241448), (1520, 211267), (2128, 150905), (2660, 120724), (5320, 60362), (10640, 30181)]