129016840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3203}}^1$

素因数の和:3286

約数の個数: 64

約数和(自身を含む): 311428800

約数和(自身を除く): 182411960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 2014, 2120, 3203, 4028, 5035, 6406, 8056, 10070, 12812, 16015, 20140, 25624, 32030, 40280, 60857, 64060, 121714, 128120, 169759, 243428, 304285, 339518, 486856, 608570, 679036, 848795, 1217140, 1358072, 1697590, 2434280, 3225421, 3395180, 6450842, 6790360, 12901684, 16127105, 25803368, 32254210, 64508420, 129016840]

約数ペア:

[(1, 129016840), (2, 64508420), (4, 32254210), (5, 25803368), (8, 16127105), (10, 12901684), (19, 6790360), (20, 6450842), (38, 3395180), (40, 3225421), (53, 2434280), (76, 1697590), (95, 1358072), (106, 1217140), (152, 848795), (190, 679036), (212, 608570), (265, 486856), (380, 339518), (424, 304285), (530, 243428), (760, 169759), (1007, 128120), (1060, 121714), (2014, 64060), (2120, 60857), (3203, 40280), (4028, 32030), (5035, 25624), (6406, 20140), (8056, 16015), (10070, 12812)]