72981280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24007}}^1$

素因数の和:24041

約数の個数: 48

約数和(自身を含む): 181500480

約数和(自身を除く): 108519200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 24007, 48014, 96028, 120035, 192056, 240070, 384112, 456133, 480140, 768224, 912266, 960280, 1824532, 1920560, 2280665, 3649064, 3841120, 4561330, 7298128, 9122660, 14596256, 18245320, 36490640, 72981280]

約数ペア:

[(1, 72981280), (2, 36490640), (4, 18245320), (5, 14596256), (8, 9122660), (10, 7298128), (16, 4561330), (19, 3841120), (20, 3649064), (32, 2280665), (38, 1920560), (40, 1824532), (76, 960280), (80, 912266), (95, 768224), (152, 480140), (160, 456133), (190, 384112), (304, 240070), (380, 192056), (608, 120035), (760, 96028), (1520, 48014), (3040, 24007)]