31419920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2953}}^1$

素因数の和:2992

約数の個数: 80

約数和(自身を含む): 87911040

約数和(自身を除く): 56491120

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, 2953, 5320, 5906, 10640, 11812, 14765, 20671, 23624, 29530, 41342, 47248, 56107, 59060, 82684, 103355, 112214, 118120, 165368, 206710, 224428, 236240, 280535, 330736, 392749, 413420, 448856, 561070, 785498, 826840, 897712, 1122140, 1570996, 1653680, 1963745, 2244280, 3141992, 3927490, 4488560, 6283984, 7854980, 15709960, 31419920]

約数ペア:

[(1, 31419920), (2, 15709960), (4, 7854980), (5, 6283984), (7, 4488560), (8, 3927490), (10, 3141992), (14, 2244280), (16, 1963745), (19, 1653680), (20, 1570996), (28, 1122140), (35, 897712), (38, 826840), (40, 785498), (56, 561070), (70, 448856), (76, 413420), (80, 392749), (95, 330736), (112, 280535), (133, 236240), (140, 224428), (152, 206710), (190, 165368), (266, 118120), (280, 112214), (304, 103355), (380, 82684), (532, 59060), (560, 56107), (665, 47248), (760, 41342), (1064, 29530), (1330, 23624), (1520, 20671), (2128, 14765), (2660, 11812), (2953, 10640), (5320, 5906)]